[ { "name": "Aluminum", "color": [0.933, 0.912, 0.853], "metalness": 1, "specularColor": [0.981, 0.979, 0.961], "roughness": 0, "ior": 1.5, "complexIor": [1.16234, 7.90265, 0.958053, 6.29309, 1.04947, 5.01364], "density": 2700, "category": ["Metal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=3d&book=metals&page=aluminium", "https://help.autodesk.com/view/ARNOL/ENU/?guid=arnold_user_guide_ac_standard_surface_ac_standard_base_html#metalness", "https://en.wikipedia.org/wiki/Aluminium", "https://en.wikipedia.org/wiki/Density", "https://en.wikipedia.org/wiki/Mirror" ], "tags": ["aluminium", "mirror"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/aluminum.jpeg" ] }, { "name": "Banana", "color": [0.634, 0.532, 0.111], "metalness": 0, "roughness": 0.5, "ior": 1.5, "density": 0, "category": ["Organic"], "description": "", "sources": ["https://spectraldb.com/measurements/00379/"], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/banana.jpeg" ] }, { "name": "Blackboard", "color": [0.039, 0.039, 0.039], "metalness": 0, "roughness": 0.5, "ior": 1.5, "density": 0, "category": ["Manmade"], "description": "", "sources": [ "https://spectraldb.com/measurements/00079/", "https://github.com/AntonPalmqvist/physically-based-api/tree/main/data/materials/blackboard/" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/blackboard.jpeg" ] }, { "name": "Blood", "color": [0.64448, 0.003, 0.005], "metalness": 0, "roughness": 0, "ior": 1.301, "transmission": 1, "density": 1060, "viscosity": 2.8, "category": ["Human"], "description": "The color of blood depends on its oxygen level. When there is plenty of oxygen, the color is a brighter red. The reason is because of a protein called hemoglobin, which carries the oxygen in your blood. When hemoglobin has a full oxygen load, it has a bright red color, and when it's deoxygenated it's a darker red. For example, arterial and capillary blood is bright, and venous blood is dark.", "sources": [ "https://en.wikipedia.org/wiki/Blood", "https://en.wikipedia.org/wiki/Blood_red", "https://refractiveindex.info/?shelf=other&book=blood&page=Rowe", "https://hypertextbook.com/facts/2004/MichaelShmukler.shtml", "https://www.researchgate.net/figure/Color-chart-for-the-measurement-of-methemoglobin-The-color-chart-was-prepared-according_fig2_26884296", "https://www.engineeringtoolbox.com/absolute-viscosity-liquids-d_1259.html", "https://en.wikipedia.org/wiki/Hemorheology", "https://www.frontiersin.org/articles/10.3389/fphys.2019.01329/full", "https://nextlimitsupport.atlassian.net/wiki/spaces/rf2016docs/pages/5497120/Hybrido+Viscosity+Table", "https://wiki.anton-paar.com/en/whole-blood/" ], "tags": ["liquid"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/blood.jpeg" ] }, { "name": "Bone", "color": [0.793, 0.793, 0.664], "metalness": 0, "roughness": 0.5, "ior": 1.5, "density": 1900, "densityRange": [1000, 2000], "category": ["Organic"], "description": "", "sources": [ "https://hypertextbook.com/facts/2002/AnnaYarusskaya.shtml", "https://www.tandfonline.com/doi/pdf/10.3109/02841867809127938", "https://en.wikipedia.org/wiki/Bone" ], "tags": ["skeleton"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/bone.jpeg" ] }, { "name": "Brass", "color": [0.931, 0.776, 0.392], "metalness": 1, "specularColor": [0.995, 0.974, 0.747], "roughness": 0, "ior": 1.5, "complexIor": [0.341048, 4.14088, 0.53349, 2.67993, 1.42749, 1.87543], "density": 8600, "category": ["Metal"], "description": "Brass is an alloy of copper and zinc, with a bright and gold-like appearance. It is similar to bronze, another alloy containing copper that uses tin instead of zinc. Historically, the distinction between the two alloys has been less consistent and clear, and modern practice in museums and archaeology increasingly avoids both terms for historical objects in favor of the more general \"copper alloy\".", "sources": [ "https://refractiveindex.info/?shelf=3d&book=metals&page=brass", "https://en.wikipedia.org/wiki/Brass", "https://en.wikipedia.org/wiki/Density" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/brass.jpeg" ] }, { "name": "Brick", "color": [0.262, 0.095, 0.061], "metalness": 0, "roughness": 0.5, "ior": 1.5, "density": 2000, "densityRange": [500, 2400], "acousticAbsorption": [0.03, 0.03, 0.03, 0.04, 0.05, 0.07], "category": ["Manmade"], "description": "", "sources": [ "https://github.com/AntonPalmqvist/physically-based-api/tree/main/data/materials/brick/", "https://en.wikipedia.org/wiki/Brick", "https://www.acoustic-supplies.com/absorption-coefficient-chart/", "https://en.wikipedia.org/wiki/Absorption_(acoustics)", "https://www.acoustic.ua/st/web_absorption_data_eng.pdf" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/brick.jpeg" ] }, { "name": "Car Paint", "color": [0.1, 0.1, 0.1], "metalness": 0, "roughness": 0, "ior": 1.5, "density": 0, "category": ["Manmade"], "description": "Modern car paints are nearly always an acrylic polyurethane \"enamel\" with a pigmented basecoat and a clear topcoat. It may be described as \"acrylic\", \"acrylic enamel\", \"urethane\", etc. and the clearcoat in particular may be described as a lacquer. The size of the metal flakes in metallic paints is typically between 100 to 400 microns in diameter. Modern automobile paint is applied in several layers, with a total thickness of around 100 μm (0.1mm).", "sources": [ "https://en.wikipedia.org/wiki/Automotive_paint", "https://en.wikipedia.org/wiki/Lacquer#Acrylic_lacquers", "https://hal.science/hal-04030017/document", "https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2011163461", "https://thecandeshop.com/metal-flake-for-cars/", "https://www.theultimatefinish.co.uk/car-care-blog/featured/paintwork/" ], "tags": ["acrylic", "coat", "car paint", "lacquer", "metallic"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/car-paint.jpeg" ] }, { "name": "Carrot", "color": [0.713, 0.17, 0.026], "metalness": 0, "roughness": 0.5, "ior": 1.5, "density": 0, "category": ["Organic"], "description": "", "sources": ["https://spectraldb.com/measurements/00456/"], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/carrot.jpeg" ] }, { "name": "Charcoal", "color": [0.02, 0.02, 0.02], "metalness": 0, "roughness": 0.5, "ior": 1.5, "density": 300, "densityRange": [200, 500], "category": ["Organic"], "description": "", "sources": [ "https://chrisbrejon.com/articles/albedo-and-pointers-gamut/", "https://seblagarde.wordpress.com/2011/08/17/feeding-a-physical-based-lighting-mode/", "http://ukrfuel.com/news-physical-properties-of-charcoal-22.html", "https://en.wikipedia.org/wiki/Activated_carbon" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/charcoal.jpeg" ] }, { "name": "Chocolate", "color": [0.162, 0.091, 0.06], "metalness": 0, "roughness": 0.5, "ior": 1.5, "density": 1300, "densityRange": [1229, 1336], "category": ["Organic"], "description": "", "sources": [ "https://github.com/AntonPalmqvist/physically-based-api/tree/main/data/materials/chocolate/", "https://en.wikipedia.org/wiki/Chocolate_(color)", "https://www.density.co.uk/documents/Density-of-Chocolate.pdf" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/chocolate.jpeg" ] }, { "name": "Chromium", "color": [0.653, 0.65, 0.615], "metalness": 1, "specularColor": [0.675, 0.72, 0.711], "roughness": 0, "ior": 1.5, "complexIor": [3.20617, 4.38724, 2.76851, 4.18069, 2.56326, 3.75018], "density": 7200, "category": ["Metal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=main&book=Cr&page=Rakic-BB", "https://en.wikipedia.org/wiki/Density" ], "tags": ["chrome"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/chromium.jpeg" ] }, { "name": "Cobalt", "color": [0.715, 0.702, 0.622], "metalness": 1, "specularColor": [0.731, 0.775, 0.715], "roughness": 0, "ior": 1.5, "complexIor": [3.33754, 5.27723, 2.6841, 4.73548, 2.57555, 3.81892], "density": 8900, "category": ["Metal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=main&book=Co&page=Werner-DFT", "https://seblagarde.wordpress.com/2011/08/17/feeding-a-physical-based-lighting-mode/", "https://en.wikipedia.org/wiki/Density" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/cobalt.jpeg" ] }, { "name": "Coffee", "color": [0.027, 0.019, 0.018], "metalness": 0, "roughness": 0, "ior": 1.33, "subsurfaceRadius": [10, 5, 1], "density": 1000, "viscosity": 1.002, "category": ["Liquid"], "description": "", "sources": [ "https://github.com/AntonPalmqvist/physically-based-api/tree/main/data/materials/coffee/" ], "tags": ["sss"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/coffee.jpeg" ] }, { "name": "Concrete", "color": [0.51, 0.51, 0.51], "metalness": 0, "roughness": 0.5, "ior": 1.5, "density": 2400, "acousticAbsorption": [0.01, 0.01, 0.02, 0.02, 0.02, 0.02], "category": ["Manmade"], "description": "", "sources": [ "https://seblagarde.wordpress.com/2011/08/17/feeding-a-physical-based-lighting-mode/", "https://en.wikipedia.org/wiki/Density", "https://en.wikipedia.org/wiki/Absorption_(acoustics)", "https://www.acoustic-supplies.com/absorption-coefficient-chart/", "https://www.acoustic.ua/st/web_absorption_data_eng.pdf" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/concrete.jpeg" ] }, { "name": "Cooking Oil", "color": [0.737911, 0.687, 0.091], "metalness": 0, "roughness": 0, "ior": 1.47, "transmission": 1, "density": 920, "viscosity": 46, "category": ["Liquid"], "description": "", "sources": [ "https://hypertextbook.com/facts/2006/TingTingLuo.shtml", "https://en.wikipedia.org/wiki/List_of_refractive_indices", "https://www.color-name.com/olive-oil.color", "https://en.wikipedia.org/wiki/Density", "https://en.wikipedia.org/wiki/List_of_viscosities", "https://downloads.hindawi.com/archive/2014/234583.pdf", "https://nextlimitsupport.atlassian.net/wiki/spaces/rf2016docs/pages/5497120/Hybrido+Viscosity+Table" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/cooking-oil.jpeg" ] }, { "name": "Copper", "color": [0.988, 0.688, 0.448], "metalness": 1, "specularColor": [0.999, 0.946, 0.705], "roughness": 0, "ior": 1.5, "complexIor": [0.137212, 5.48257, 0.750114, 2.56138, 1.75582, 2.26828], "density": 8940, "category": ["Metal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=3d&book=metals&page=copper", "https://help.autodesk.com/view/ARNOL/ENU/?guid=arnold_user_guide_ac_standard_surface_ac_standard_base_html#metalness", "https://en.wikipedia.org/wiki/Density" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/copper.jpeg" ] }, { "name": "Diamond", "color": [1, 1, 1], "metalness": 0, "roughness": 0, "ior": 2.4168, "transmission": 1, "transmissionDispersion": 55.3, "density": 3500, "category": ["Crystal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=3d&book=crystals&page=diamond", "https://refractiveindex.info/?shelf=main&book=C&page=Peter", "https://www.gemsociety.org/article/table-refractive-index-double-refraction-gems/", "https://en.wikipedia.org/wiki/Density" ], "tags": ["gem", "gemstone"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/diamond.jpeg" ] }, { "name": "Egg Shell", "color": [0.61, 0.624, 0.631], "metalness": 0, "roughness": 0.5, "ior": 1.5, "density": 0, "category": ["Organic"], "description": "White hen egg from grocery store.", "sources": [ "https://github.com/AntonPalmqvist/physically-based-api/tree/main/data/materials/egg-shell/", "https://en.wikipedia.org/wiki/Egg_as_food#Shell" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/egg-shell.jpeg" ] }, { "name": "Eye (cornea)", "color": [1, 1, 1], "metalness": 0, "roughness": 0, "ior": 1.376, "transmission": 1, "density": 0, "category": ["Human"], "description": "", "sources": [ "https://en.wikipedia.org/wiki/Cornea", "https://www.sciencedirect.com/science/article/abs/pii/S1367048418310452" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/eye-cornea.jpeg" ] }, { "name": "Eye (lens)", "color": [1, 1, 1], "metalness": 0, "roughness": 0, "ior": 1.386, "transmission": 1, "density": 0, "category": ["Human"], "description": "The refractive index of human lens varies from approximately 1.406 in the central layers down to 1.386 in less dense layers of the lens. This index gradient enhances the optical power of the lens.", "sources": [ "https://en.wikipedia.org/wiki/Lens_(anatomy)#Accommodation", "https://pubmed.ncbi.nlm.nih.gov/8134087/" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/eye-lens.jpeg" ] }, { "name": "Eye (sclera)", "color": [0.68, 0.49, 0.37], "metalness": 0, "roughness": 0.5, "ior": 1.4, "density": 0, "category": ["Human"], "description": "", "sources": [ "https://www.researchgate.net/publication/225767258_Optical_properties_of_human_sclera_in_spectral_range_370-2500_nm", "http://www.iryoku.com/downloads/Next-Generation-Character-Rendering-v6.pptx" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/eye-sclera.jpeg" ] }, { "name": "Gasoline", "color": [1, 0.97, 0.617], "metalness": 0, "roughness": 0, "ior": 1.427, "transmission": 1, "density": 770, "viscosity": 0.6, "category": ["Liquid"], "description": "", "sources": [ "https://en.wikipedia.org/wiki/Gasoline", "https://www.researchgate.net/figure/Refractive-index-of-fuels-33-34_tbl1_277419833", "https://www.engineeringtoolbox.com/fuels-densities-specific-volumes-d_166.html", "http://hyperphysics.phy-astr.gsu.edu/hbase/Tables/viscosity.html" ], "tags": ["petrol", "fuel"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/gasoline.jpeg" ] }, { "name": "Glass", "color": [1, 1, 1], "metalness": 0, "roughness": 0, "ior": 1.52, "transmission": 1, "transmissionDispersion": 64, "density": 2500, "acousticAbsorption": [0.04, 0.04, 0.03, 0.03, 0.02, 0.02], "category": ["Crystal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=3d&book=glass&page=soda-lime-clear", "https://en.wikipedia.org/wiki/Soda%E2%80%93lime_glass", "https://en.wikipedia.org/wiki/Density", "https://www.acoustic-supplies.com/absorption-coefficient-chart/", "https://www.acoustic.ua/st/web_absorption_data_eng.pdf" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/glass.jpeg" ] }, { "name": "Gold", "color": [1.0, 0.72, 0.315], "metalness": 1, "specularColor": [1.0, 0.973, 0.597], "roughness": 0, "ior": 1.5, "complexIor": [0, 6.3108, 0.487424, 2.18391, 1.74577, 1.63493], "density": 19320, "category": ["Metal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=3d&book=metals&page=gold", "https://help.autodesk.com/view/ARNOL/ENU/?guid=arnold_user_guide_ac_standard_surface_ac_standard_base_html#metalness", "https://en.wikipedia.org/wiki/Density" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/gold.jpeg" ] }, { "name": "Gray Card", "color": [0.18, 0.18, 0.18], "metalness": 0, "roughness": 0.5, "ior": 1.5, "density": 0, "category": ["Manmade"], "description": "In photography and computer graphics, middle gray is a tone that is perceptually about halfway between black and white on a lightness scale. Light meters and cameras are often calibrated using an 18% gray card or a color reference card such as a ColorChecker. It is typically defined as 18% reflectance in visible light.", "sources": ["https://en.wikipedia.org/wiki/Middle_gray"], "tags": ["grey", "middle gray"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/gray-card.jpeg" ] }, { "name": "Honey", "color": [0.83077, 0.397, 0.038], "metalness": 0, "roughness": 0, "ior": 1.504, "transmission": 1, "density": 1400, "densityRange": [1380, 1450], "viscosity": 10000, "category": ["Liquid"], "description": "Variations in its water content alter its refractive index. Typically, the refractive index for honey ranges from 1.504 at 13% water content to 1.474 at 25%.", "sources": [ "https://www.color-name.com/honey.color", "https://en.wikipedia.org/wiki/Honey", "https://carolinahoneybees.com/the-color-of-honey/", "https://books.google.se/books?id=6RfVqdqxCiUC&pg=PA74&redir_esc=y#v=onepage&q&f=false", "https://wiki.anton-paar.com/en/flower-honey-blended/", "https://nextlimitsupport.atlassian.net/wiki/spaces/rf2016docs/pages/5497120/Hybrido+Viscosity+Table", "https://en.wikipedia.org/wiki/List_of_viscosities", "https://www.engineeringtoolbox.com/dynamic-absolute-kinematic-viscosity-d_412.html" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/honey.jpeg" ] }, { "name": "Ice", "color": [1, 1, 1], "metalness": 0, "roughness": 0.5, "ior": 1.3098, "transmission": 1, "transmissionDispersion": 64.87, "density": 917, "category": ["Crystal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=3d&book=crystals&page=ice", "https://refractiveindex.info/?shelf=main&book=H2O&page=Kofman-150K", "https://en.wikipedia.org/wiki/Density", "https://en.wikipedia.org/wiki/Optical_properties_of_water_and_ice" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/ice.jpeg" ] }, { "name": "Iron", "color": [0.542, 0.512, 0.458], "metalness": 1, "specularColor": [0.612, 0.541, 0.422], "roughness": 0, "ior": 1.5, "complexIor": [2.73466, 3.14869, 2.94186, 2.92718, 3.15654, 2.46012], "density": 7870, "category": ["Metal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=3d&book=metals&page=iron", "https://help.autodesk.com/view/ARNOL/ENU/?guid=arnold_user_guide_ac_standard_surface_ac_standard_base_html#metalness", "https://en.wikipedia.org/wiki/Density" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/iron.jpeg" ] }, { "name": "Ketchup", "color": [0.164, 0.006, 0.002], "metalness": 0, "roughness": 0.1, "ior": 1.3, "subsurfaceRadius": [0.476, 0.058, 0.039], "density": 1150, "viscosity": 20000, "category": ["Organic"], "description": "", "sources": [ "https://help.autodesk.com/view/ARNOL/ENU/?guid=arnold_user_guide_ac_standard_surface_ac_standard_subsurface_html", "https://graphics.stanford.edu/papers/bssrdf/bssrdf.pdf", "https://renderman.pixar.com/resources/RenderMan_20/subsurface.html", "https://nextlimitsupport.atlassian.net/wiki/spaces/rf2016docs/pages/5497120/Hybrido+Viscosity+Table", "https://en.wikipedia.org/wiki/List_of_viscosities", "https://www.aqua-calc.com/page/density-table/substance/heinz-blank-tomato-blank-ketchup-coma-and-blank-upc-column--blank-00013000004664" ], "tags": ["liquid", "sss"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/ketchup.jpeg" ] }, { "name": "Lead", "color": [0.641, 0.622, 0.59], "metalness": 1, "specularColor": [0.819, 0.804, 0.769], "roughness": 0, "ior": 1.5, "complexIor": [1.81659, 3.50606, 1.84441, 3.37971, 1.96022, 3.23189], "density": 11340, "category": ["Metal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=3d&book=metals&page=lead", "https://help.autodesk.com/view/ARNOL/ENU/?guid=arnold_user_guide_ac_standard_surface_ac_standard_base_html#metalness", "https://en.wikipedia.org/wiki/Density" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/lead.jpeg" ] }, { "name": "Lemon", "color": [0.718, 0.483, 0], "metalness": 0, "roughness": 0.5, "ior": 1.5, "density": 0, "category": ["Organic"], "description": "", "sources": ["https://spectraldb.com/measurements/00453/"], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/lemon.jpeg" ] }, { "name": "Marble", "color": [0.83, 0.791, 0.753], "metalness": 0, "roughness": 0, "ior": 1.5, "subsurfaceRadius": [0.851, 0.557, 0.395], "density": 2700, "category": ["Crystal"], "description": "", "sources": [ "https://en.wikipedia.org/wiki/Marble", "https://www.aqua-calc.com/page/density-table/substance/marble", "https://www.sciencedirect.com/science/article/pii/S2090447919300826", "https://graphics.stanford.edu/papers/bssrdf/bssrdf.pdf", "https://renderman.pixar.com/resources/RenderMan_20/subsurface.html" ], "tags": ["sss"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/marble.jpeg" ] }, { "name": "Mercury", "color": [0.799, 0.777, 0.721], "metalness": 1, "specularColor": [0.901, 0.91, 0.89], "roughness": 0, "ior": 1.5, "complexIor": [1.86932, 5.36989, 1.53811, 4.60484, 1.4963, 3.92685], "density": 13546, "viscosity": 1.552, "category": ["Metal"], "description": "Mercury is the only metallic element that is known to be liquid at standard conditions.", "sources": [ "https://refractiveindex.info/?shelf=3d&book=metals&page=mercury", "https://help.autodesk.com/view/ARNOL/ENU/?guid=arnold_user_guide_ac_standard_surface_ac_standard_base_html#metalness", "https://en.wikipedia.org/wiki/Density", "https://en.wikipedia.org/wiki/List_of_viscosities", "https://www.engineeringtoolbox.com/absolute-viscosity-liquids-d_1259.html" ], "tags": ["liquid"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/mercury.jpeg" ] }, { "name": "Milk", "color": [0.815, 0.813, 0.682], "metalness": 0, "roughness": 0, "ior": 1.348, "subsurfaceRadius": [1.842, 1.044, 0.35], "density": 1030, "densityRange": [1026, 1035], "viscosity": 2, "category": ["Liquid"], "description": "Cow's milk", "sources": [ "https://renderman.pixar.com/resources/RenderMan_20/subsurface.html", "https://www.researchgate.net/publication/346758555_What_Is_the_Color_of_Milk_and_Dairy_Products_and_How_Is_It_Measured", "http://dairy-technology.blogspot.com/2014/11/refractive-index.html", "https://www.theengineer.co.uk/content/product/density-measurement-of-milk-and-dairy-products/", "https://hypertextbook.com/facts/2002/AliciaNoelleJones.shtml", "https://nextlimitsupport.atlassian.net/wiki/spaces/rf2016docs/pages/5497120/Hybrido+Viscosity+Table", "https://en.wikipedia.org/wiki/List_of_viscosities", "https://www.engineeringtoolbox.com/absolute-viscosity-liquids-d_1259.html" ], "tags": ["sss"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/milk.jpeg" ] }, { "name": "MIT Black", "color": [0.00005, 0.00005, 0.00005], "metalness": 0, "roughness": 0.99, "ior": 1.5, "density": 0, "category": ["Manmade"], "description": "", "sources": ["https://news.mit.edu/2019/blackest-black-material-cnt-0913"], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/mit-black.jpeg" ] }, { "name": "Musou Black", "color": [0.006, 0.006, 0.006], "metalness": 0, "roughness": 0.9, "ior": 1.5, "density": 0, "category": ["Manmade"], "description": "Musou Black is one of the darkest paints available. Darker materials can be achieved by using technology such as carbon nanotubes, like the MIT Black material.", "sources": [ "https://www.musoublack.com/pages/product-specifications", "https://github.com/AntonPalmqvist/physically-based-api/tree/main/data/materials/musou-black/" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/musou-black.jpeg" ] }, { "name": "Nickel", "color": [0.664, 0.606, 0.495], "metalness": 1, "specularColor": [0.824, 0.798, 0.68], "roughness": 0, "ior": 1.5, "complexIor": [1.88896, 3.7543, 1.81884, 3.2447, 2.0708, 2.64853], "density": 8900, "category": ["Metal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=main&book=Ni&page=Rakic-BB", "https://help.autodesk.com/view/ARNOL/ENU/?guid=arnold_user_guide_ac_standard_surface_ac_standard_base_html#metalness", "https://en.wikipedia.org/wiki/Density" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/nickel.jpeg" ] }, { "name": "Office Paper", "color": [0.794, 0.834, 0.884], "metalness": 0, "roughness": 0.5, "ior": 1.5, "density": 800, "category": ["Manmade"], "description": "Office paper contains optical brightening additives that absorb light in the ultraviolet and violet region (usually 340-370 nm), and re-emit light in the blue region (typically 420-470 nm) by fluorescence.", "sources": [ "https://github.com/AntonPalmqvist/physically-based-api/tree/main/data/materials/office-paper", "https://en.wikipedia.org/wiki/Paper#Types,_thickness_and_weight", "https://en.wikipedia.org/wiki/Optical_brightener" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/office-paper.jpeg" ] }, { "name": "Pearl", "color": [0.8, 0.75, 0.7], "metalness": 0, "roughness": 0.35, "ior": 1.68, "subsurfaceRadius": [0.3, 0.5, 0.3], "thinFilmThickness": 420, "thinFilmIor": 2, "density": 2700, "category": ["Organic"], "description": "The akoya pearl is a saltwater cultured pearl from the akoya oyster. Akoya are considered to be the classic pearl used for necklaces and other pearl jewelry. Nacre is the material of which pearls are composed and consists of aragonite crystal layers separated by conchiolin, a protein secreted by mollusk shells. The thickness of these layers determines the color of reflection from the nacre. The transmission interference color is complementary to the reflection interference color.", "sources": [ "https://www.nature.com/articles/s41598-021-94737-w", "https://rgl.s3.eu-central-1.amazonaws.com/media/papers/Guillen2020Pearlescent.pdf", "https://www.gemstones-guide.com/Pearl.html", "https://www.gemsociety.org/article/pearl-jewelry-and-gemstone-information/", "https://refractiveindex.info/?shelf=main&book=CaCO3&page=Ghosh-o", "https://en.wikipedia.org/wiki/Nacre" ], "tags": ["nacre", "sss"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/pearl.jpeg" ] }, { "name": "Petroleum", "color": [0.03, 0.027, 0.024], "metalness": 0, "roughness": 0, "ior": 1.5, "subsurfaceRadius": [3, 1, 0.25], "density": 920, "densityRange": [870, 1000], "viscosity": 100, "category": ["Liquid"], "description": "The viscosity of crude oil is sensitive to temperature.", "sources": [ "https://en.wikipedia.org/wiki/Petroleum", "https://en.wikipedia.org/wiki/API_gravity", "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9922782/", "https://www.sciencedirect.com/science/article/abs/pii/S1350449520305636", "https://www.sciencedirect.com/science/article/pii/S003442572200133X" ], "tags": ["oil", "crude oil", "sss"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/petroleum.jpeg" ] }, { "name": "Plastic (Acrylic)", "color": [1, 1, 1], "metalness": 0, "roughness": 0, "ior": 1.4905, "transmission": 1, "transmissionDispersion": 53.18, "density": 1180, "category": ["Plastic"], "description": "", "sources": [ "https://en.wikipedia.org/wiki/Poly(methyl_methacrylate)", "https://polymerdatabase.com/polymer%20physics/Ref%20Index%20Table2%20.html" ], "tags": ["PMMA", "plexi", "polymethyl methacrylate"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/plastic-acrylic.jpeg" ] }, { "name": "Plastic (PC)", "color": [1, 1, 1], "metalness": 0, "roughness": 0, "ior": 1.5848, "transmission": 1, "transmissionDispersion": 27.86, "density": 1200, "category": ["Plastic"], "description": "", "sources": [ "https://en.wikipedia.org/wiki/Polycarbonate", "https://refractiveindex.info/?shelf=3d&book=plastics&page=pc", "https://www.bpf.co.uk/plastipedia/polymers/polycarbonate.aspx" ], "tags": ["polycarbonate"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/plastic-pc.jpeg" ] }, { "name": "Plastic (PET)", "color": [1, 1, 1], "metalness": 0, "roughness": 0, "ior": 1.575, "transmission": 1, "density": 1380, "category": ["Plastic"], "description": "", "sources": [ "https://en.wikipedia.org/wiki/Polyethylene_terephthalate", "https://polymerdatabase.com/polymer%20physics/Ref%20Index%20Table2%20.html" ], "tags": ["polyethylene terephthalate"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/plastic-pet.jpeg" ] }, { "name": "Plastic (PP)", "color": [1, 1, 1], "metalness": 0, "roughness": 0, "ior": 1.492, "transmission": 1, "density": 900, "category": ["Plastic"], "description": "", "sources": [ "https://en.wikipedia.org/wiki/Polypropylene", "https://refractiveindex.info/?shelf=3d&book=plastics&page=pc", "https://www.osapublishing.org/ao/viewmedia.cfm?uri=ao-42-3-592" ], "tags": ["polypropylene"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/plastic-pp.jpeg" ] }, { "name": "Plastic (PVC)", "color": [1, 1, 1], "metalness": 0, "roughness": 0, "ior": 1.542, "transmission": 1, "density": 1300, "densityRange": [1100, 1450], "category": ["Plastic"], "description": "", "sources": [ "https://en.wikipedia.org/wiki/Polyvinyl_chloride", "https://polymerdatabase.com/polymer%20physics/Ref%20Index%20Table2%20.html" ], "tags": ["polyvinyl chloride"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/plastic-pvc.jpeg" ] }, { "name": "Platinum", "color": [0.695, 0.638, 0.541], "metalness": 1, "specularColor": [0.816, 0.786, 0.671], "roughness": 0, "ior": 1.5, "complexIor": [2.1755, 4.28265, 2.0879, 3.67782, 2.35677, 3.05144], "density": 21450, "category": ["Metal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=3d&book=metals&page=platinum", "https://help.autodesk.com/view/ARNOL/ENU/?guid=arnold_user_guide_ac_standard_surface_ac_standard_base_html#metalness", "https://en.wikipedia.org/wiki/Density" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/platinum.jpeg" ] }, { "name": "Polyurethane", "color": [1, 1, 1], "metalness": 0, "roughness": 0, "ior": 1.6, "transmission": 1, "density": 0, "category": ["Plastic"], "description": "Modern car paints are nearly always an acrylic polyurethane \"enamel\" with a pigmented basecoat and a clear topcoat. It may be described as \"acrylic\", \"acrylic enamel\", \"urethane\", etc. and the clearcoat in particular may be described as a lacquer.", "sources": [ "https://en.wikipedia.org/wiki/Automotive_paint", "https://en.wikipedia.org/wiki/Lacquer#Acrylic_lacquers", "https://hal.science/hal-04030017/document", "https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2011163461" ], "tags": ["acrylic", "coat", "car paint", "lacquer"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/polyurethane.jpeg" ] }, { "name": "Quartz", "color": [1, 1, 1], "metalness": 0, "roughness": 0, "ior": 1.54, "transmission": 1, "transmissionDispersion": 67.82, "density": 2600, "category": ["Crystal"], "description": "", "sources": [ "https://en.wikipedia.org/w/index.php?title=Quartz&oldid=1274064692", "https://en.wikipedia.org/w/index.php?title=Density&oldid=1271894167", "https://refractiveindex.info/?shelf=3d&book=crystals&page=quartz" ], "tags": [], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/quartz.jpeg" ] }, { "name": "Salt", "color": [1, 1, 1], "metalness": 0, "roughness": 0.2, "ior": 1.5441, "transmission": 1, "transmissionDispersion": 42.89, "density": 2170, "category": ["Crystal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=3d&book=crystals&page=salt", "https://en.wikipedia.org/wiki/Sodium_chloride" ], "tags": [], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/salt.jpeg" ] }, { "name": "Sand", "color": [0.44, 0.386, 0.23074], "metalness": 0, "roughness": 0.5, "ior": 1.5, "density": 1600, "category": ["Crystal"], "description": "", "sources": [ "https://civiltoday.com/civil-engineering-materials/sand/299-bulk-density-of-sand", "https://seblagarde.wordpress.com/2014/04/14/dontnod-physically-based-rendering-chart-for-unreal-engine-4/", "https://en.wikipedia.org/wiki/Sand" ], "tags": [], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/sand.jpeg" ] }, { "name": "Sapphire", "color": [0.67, 0.764, 0.855], "metalness": 0, "roughness": 0, "ior": 1.7682, "transmission": 1, "transmissionDispersion": 72.2, "density": 3980, "category": ["Crystal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=3d&book=crystals&page=sapphire", "https://www.gemsociety.org/article/table-refractive-index-double-refraction-gems/", "https://en.wikipedia.org/wiki/Sapphire", "http://www.roditi.com/SingleCrystal/Sapphire/Properties.html" ], "tags": ["gem", "gemstone"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/sapphire.jpeg" ] }, { "name": "Silicon", "color": [0.351, 0.367, 0.394], "metalness": 1, "specularColor": [0.081, 0, 0.004], "roughness": 0, "ior": 1.5, "complexIor": [3.63351, 0.966245, 4.06958, 0, 4.36103, 0], "density": 2330, "category": ["Metal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=main&book=Si&page=Schinke", "https://en.wikipedia.org/wiki/Density", "https://en.wikipedia.org/wiki/Silicon" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/silicon.jpeg" ] }, { "name": "Silver", "color": [0.984, 0.946, 0.851], "metalness": 1, "specularColor": [0.999, 0.998, 0.986], "roughness": 0, "ior": 1.5, "complexIor": [0.0636949, 3.69295, 0.155409, 3.20559, 0.426839, 3.12206], "density": 10500, "category": ["Metal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=3d&book=metals&page=silver", "https://help.autodesk.com/view/ARNOL/ENU/?guid=arnold_user_guide_ac_standard_surface_ac_standard_base_html#metalness", "https://en.wikipedia.org/wiki/Density", "https://en.wikipedia.org/wiki/Mirror" ], "tags": ["mirror"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/silver.jpeg" ] }, { "name": "Skin I", "color": [0.847, 0.638, 0.552], "metalness": 0, "roughness": 0.5, "ior": 1.4, "subsurfaceRadius": [0.482, 0.169, 0.109], "density": 1020, "category": ["Human"], "group": "Skin", "description": "", "sources": [ "https://www.spiedigitallibrary.org/journals/journal-of-biomedical-optics/volume-17/issue-9/090901/Optical-properties-of-human-skin/10.1117/1.JBO.17.9.090901.full?SSO=1", "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3699319/", "http://graphics.ucsd.edu/~henrik/papers/skin_bssrdf/skin_bssrdf.pdf", "http://www.iryoku.com/downloads/Next-Generation-Character-Rendering-v6.pptx", "https://graphics.stanford.edu/papers/bssrdf/bssrdf.pdf", "https://renderman.pixar.com/resources/RenderMan_20/subsurface.html" ], "tags": ["epidermis", "sss"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/skin-i.jpeg" ] }, { "name": "Skin II", "color": [0.799, 0.485, 0.347], "metalness": 0, "roughness": 0.5, "ior": 1.4, "subsurfaceRadius": [0.482, 0.169, 0.109], "density": 1020, "category": ["Human"], "group": "Skin", "description": "", "sources": [ "https://www.spiedigitallibrary.org/journals/journal-of-biomedical-optics/volume-17/issue-9/090901/Optical-properties-of-human-skin/10.1117/1.JBO.17.9.090901.full?SSO=1", "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3699319/", "http://graphics.ucsd.edu/~henrik/papers/skin_bssrdf/skin_bssrdf.pdf", "http://www.iryoku.com/downloads/Next-Generation-Character-Rendering-v6.pptx", "https://graphics.stanford.edu/papers/bssrdf/bssrdf.pdf", "https://renderman.pixar.com/resources/RenderMan_20/subsurface.html" ], "tags": ["epidermis", "sss"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/skin-ii.jpeg" ] }, { "name": "Skin III", "color": [0.623, 0.433, 0.343], "metalness": 0, "roughness": 0.5, "ior": 1.4, "subsurfaceRadius": [0.482, 0.169, 0.109], "density": 1020, "category": ["Human"], "group": "Skin", "description": "", "sources": [ "https://www.spiedigitallibrary.org/journals/journal-of-biomedical-optics/volume-17/issue-9/090901/Optical-properties-of-human-skin/10.1117/1.JBO.17.9.090901.full?SSO=1", "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3699319/", "http://graphics.ucsd.edu/~henrik/papers/skin_bssrdf/skin_bssrdf.pdf", "http://www.iryoku.com/downloads/Next-Generation-Character-Rendering-v6.pptx", "https://graphics.stanford.edu/papers/bssrdf/bssrdf.pdf", "https://renderman.pixar.com/resources/RenderMan_20/subsurface.html", "https://spectraldb.com/measurements/00490/", "https://spectraldb.com/measurements/00403/" ], "tags": ["epidermis", "sss"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/skin-iii.jpeg" ] }, { "name": "Skin IV", "color": [0.436, 0.227, 0.131], "metalness": 0, "roughness": 0.5, "ior": 1.4, "subsurfaceRadius": [0.367, 0.137, 0.068], "density": 1020, "category": ["Human"], "group": "Skin", "description": "", "sources": [ "https://www.spiedigitallibrary.org/journals/journal-of-biomedical-optics/volume-17/issue-9/090901/Optical-properties-of-human-skin/10.1117/1.JBO.17.9.090901.full?SSO=1", "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3699319/", "http://graphics.ucsd.edu/~henrik/papers/skin_bssrdf/skin_bssrdf.pdf", "http://www.iryoku.com/downloads/Next-Generation-Character-Rendering-v6.pptx", "https://graphics.stanford.edu/papers/bssrdf/bssrdf.pdf", "https://renderman.pixar.com/resources/RenderMan_20/subsurface.html", "https://spectraldb.com/measurements/00408/" ], "tags": ["epidermis", "sss"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/skin-iv.jpeg" ] }, { "name": "Skin V", "color": [0.283, 0.148, 0.079], "metalness": 0, "roughness": 0.5, "ior": 1.4, "subsurfaceRadius": [0.367, 0.137, 0.068], "density": 1020, "category": ["Human"], "group": "Skin", "description": "", "sources": [ "https://www.spiedigitallibrary.org/journals/journal-of-biomedical-optics/volume-17/issue-9/090901/Optical-properties-of-human-skin/10.1117/1.JBO.17.9.090901.full?SSO=1", "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3699319/", "http://graphics.ucsd.edu/~henrik/papers/skin_bssrdf/skin_bssrdf.pdf", "http://www.iryoku.com/downloads/Next-Generation-Character-Rendering-v6.pptx", "https://graphics.stanford.edu/papers/bssrdf/bssrdf.pdf", "https://renderman.pixar.com/resources/RenderMan_20/subsurface.html", "https://spectraldb.com/measurements/00396/" ], "tags": ["epidermis", "sss"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/skin-v.jpeg" ] }, { "name": "Skin VI", "color": [0.09, 0.05, 0.02], "metalness": 0, "roughness": 0.5, "ior": 1.4, "subsurfaceRadius": [0.367, 0.137, 0.068], "density": 1020, "category": ["Human"], "group": "Skin", "description": "", "sources": [ "https://www.spiedigitallibrary.org/journals/journal-of-biomedical-optics/volume-17/issue-9/090901/Optical-properties-of-human-skin/10.1117/1.JBO.17.9.090901.full?SSO=1", "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3699319/", "http://graphics.ucsd.edu/~henrik/papers/skin_bssrdf/skin_bssrdf.pdf", "http://www.iryoku.com/downloads/Next-Generation-Character-Rendering-v6.pptx", "https://graphics.stanford.edu/papers/bssrdf/bssrdf.pdf", "https://renderman.pixar.com/resources/RenderMan_20/subsurface.html", "https://spectraldb.com/measurements/00414/" ], "tags": ["epidermis", "sss"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/skin-vi.jpeg" ] }, { "name": "Snow", "color": [0.85, 0.85, 0.85], "metalness": 0, "roughness": 0.5, "ior": 1.3098, "density": 100, "densityRange": [90, 450], "acousticAbsorption": [0.45, 0.75, 0.9, 0.95, 0.95, 0.95], "category": ["Crystal"], "description": "", "sources": [ "https://seblagarde.wordpress.com/2011/08/17/feeding-a-physical-based-lighting-mode/", "https://refractiveindex.info/?shelf=3d&book=crystals&page=ice", "https://web.archive.org/web/20230605174450/http://mapleintegration.com/sound_ab.php" ], "tags": ["ice"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/snow.jpeg" ] }, { "name": "Soap Bubble", "color": [1, 1, 1], "metalness": 0, "roughness": 0, "ior": 1, "transmission": 1, "thinFilmThickness": 500, "thinFilmIor": 1.4, "density": 0, "category": ["Organic"], "description": "The colors of a soap bubble are the result of an interaction between the light reflected from the front and back surfaces of the soap film, a phenomenon known as thin-film interference. The thickness of a soap bubble can range between 10 nm and 1000 nm. It's thinner at the top due to gravity.", "sources": [ "https://help.autodesk.com/view/ARNOL/ENU/?guid=arnold_user_guide_ac_standard_surface_ac_standard_thinfilm_html", "https://soapbubble.fandom.com/wiki/Color_and_Film_Thickness", "https://en.wikipedia.org/wiki/Thin-film_interference#Soap_bubble" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/soap-bubble.jpeg" ] }, { "name": "Stainless Steel", "color": [0.685, 0.637, 0.554], "metalness": 1, "specularColor": [0.804, 0.791, 0.714], "roughness": 0, "ior": 1.5, "complexIor": [2.22981, 4.21948, 2.04109, 3.64081, 2.15682, 3.07445], "density": 8000, "densityRange": [7500, 8000], "category": ["Metal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=3d&book=metals&page=stainless_steel", "https://en.wikipedia.org/w/index.php?title=Stainless_steel&oldid=1274079682" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/stainless-steel.jpeg" ] }, { "name": "Tire", "color": [0.023, 0.023, 0.023], "metalness": 0, "roughness": 0.5, "ior": 1.5, "density": 0, "category": ["Manmade"], "description": "Car tire.", "sources": [ "https://github.com/AntonPalmqvist/physically-based-api/tree/main/data/materials/tire/", "https://en.wikipedia.org/wiki/Tire" ], "tags": ["tyre", "rubber"], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/tire.jpeg" ] }, { "name": "Titanium", "color": [0.633, 0.578, 0.503], "metalness": 1, "specularColor": [0.728, 0.68, 0.55], "roughness": 0, "ior": 1.5, "complexIor": [2.55584, 3.89385, 2.52916, 3.39243, 2.8235, 2.85229], "density": 4540, "category": ["Metal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=3d&book=metals&page=titanium", "https://en.wikipedia.org/wiki/Density" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/titanium.jpeg" ] }, { "name": "Toner (black)", "color": [0.05, 0.05, 0.05], "metalness": 0, "roughness": 0.5, "ior": 1.5, "density": 0, "category": ["Manmade"], "description": "Black toner printed on office paper with linear sRGB values of 0, 0, 0.", "sources": [ "https://github.com/AntonPalmqvist/physically-based-api/tree/main/data/materials/toner-black/", "https://en.wikipedia.org/wiki/Toner_(printing)" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/toner-black.jpeg" ] }, { "name": "Tungsten", "color": [0.518, 0.495, 0.442], "metalness": 1, "specularColor": [0.461, 0.413, 0.206], "roughness": 0, "ior": 1.5, "complexIor": [3.45096, 2.96613, 3.51714, 2.7338, 4.02045, 1.90549], "density": 19300, "category": ["Metal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=main&book=W&page=Rakic-BB", "https://en.wikipedia.org/wiki/Density" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/tungsten.jpeg" ] }, { "name": "Vanadium", "color": [0.547, 0.525, 0.506], "metalness": 1, "specularColor": [0.474, 0.426, 0.175], "roughness": 0, "ior": 1.5, "complexIor": [3.6507, 3.25065, 3.72723, 3.00712, 4.94609, 2.17896], "density": 6100, "category": ["Metal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=main&book=V&page=Werner-DFT", "https://en.wikipedia.org/wiki/Density" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/vanadium.jpeg" ] }, { "name": "Water", "color": [1, 1, 1], "metalness": 0, "roughness": 0, "ior": 1.3325, "transmission": 1, "transmissionDispersion": 55.78, "density": 1000, "densityRange": [958, 1000], "viscosity": 1.002, "acousticAbsorption": [0.008, 0.008, 0.013, 0.015, 0.02, 0.025], "category": ["Liquid"], "description": "While relatively small quantities of water appear to be colorless, pure water has a slight blue color that becomes deeper as the thickness of the observed sample increases. The hue of water is an intrinsic property and is caused by selective absorption and scattering of white light. Dissolved elements or suspended impurities may give water a different color.", "sources": [ "https://seblagarde.wordpress.com/2011/08/17/feeding-a-physical-based-lighting-mode/", "https://refractiveindex.info/?shelf=3d&book=liquids&page=water", "https://refractiveindex.info/?shelf=main&book=H2O&page=Daimon-21.5C", "https://en.wikipedia.org/wiki/Density", "https://en.wikipedia.org/wiki/Properties_of_water#Density_of_water_and_ice", "https://en.wikipedia.org/wiki/Color_of_water", "https://www.acoustic-supplies.com/absorption-coefficient-chart/", "https://www.cdc.gov/niosh/docs/80-116/", "https://www.engineeringtoolbox.com/water-dynamic-kinematic-viscosity-d_596.html", "https://en.wikipedia.org/wiki/List_of_viscosities", "https://nextlimitsupport.atlassian.net/wiki/spaces/rf2016docs/pages/5497120/Hybrido+Viscosity+Table", "https://www.researchgate.net/journal/Optics-Express-1094-4087/publication/235415649_Zoom_lens_design_using_liquid_lens_for_laparoscope/links/6609e54d10ca86798731ef50/Zoom-lens-design-using-liquid-lens-for-laparoscope.pdf" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/water.jpeg" ] }, { "name": "Whiteboard", "color": [0.869, 0.867, 0.771], "metalness": 0, "roughness": 0, "ior": 1.5, "density": 0, "category": ["Manmade"], "description": "", "sources": ["https://spectraldb.com/measurements/00074/"], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/whiteboard.jpeg" ] }, { "name": "Zinc", "color": [0.826, 0.842, 0.801], "metalness": 1, "specularColor": [0.854, 0.922, 0.923], "roughness": 0, "ior": 1.5, "complexIor": [3.15207, 7.39342, 1.89133, 6.28678, 1.48736, 4.92701], "density": 7000, "category": ["Metal"], "description": "", "sources": [ "https://refractiveindex.info/?shelf=main&book=Zn&page=Werner-DFT", "https://en.wikipedia.org/wiki/Density" ], "tags": [""], "reference": [ "https://raw.githubusercontent.com/AntonPalmqvist/physically-based-api/main/images/renders/cycles/600/zinc.jpeg" ] } ]