Diamond
Cubic carbon (C)
Category
Browse man made glass mineral simulant specimens identified by the Rock Identifier community.
Diamond
Cubic carbon (C)
Diamond (in Jewelry)
Carbon (C)
Chert (variations include Flint/Novaculite)
Chert (formula: SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Diamond (Rough)
Diamond (Carbon, C)
Chert (Common Variety, Jasper)
Microcrystalline Quartz (SiO2)
Granite
Granite (a plutonic rock)
Chert Pebble/Nodule
Chert (a microcrystalline or cryptocrystalline sedimentary form of quartz, SiO2)
Tektite (Indochinite)
Tektite (Amorphous Silica Glass)
Chert (Quartz Variety)
Chert (Silicon Dioxide, SiO2)
Chert (often called Flint)
Chert (SiO2)
Diamond
Diamond (pure Carbon, C)
Synthetic Marbled Aggregate (Footwear Component)
Ethylene-vinyl acetate (Croslite™)
Slag
Ferrous Slag (Siliceous industrial waste)
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2 + Fe2O3)
Pearl
Organic gemstone (Calcium carbonate - CaCO3)
Diamond (in a jewelry setting)
Cubic Carbon (C)
Granite
Phaneritic Igneous Rock (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
Chert (often called Flint or Agate nodule)
Cryptocrystalline Quartz (SiO2)
Chert (Common Opal/Jasper variety)
Cryptocrystalline Quartz (SiO2)
Clay Brick
Ceramic structural unit (Al2O3·2SiO2·2H2O as precursor)
Chert (Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Green Banded Chert (Agate/Jasper)
Silicon Dioxide (SiO2) with trace impurities of Chlorite or Glauconite
Diamond
Diamond (pure carbon C)
Pearl
Calcium Carbonate (CaCO3) - Aragonite/Calcite
Diamond
Diamond (C)
Jade (Nephrite or Jadeite)
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 (amphibole mineral); Jadeite: NaAlSi2O6 (pyroxene mineral)
Slag
Anthropogenic Vitrification Product / Silicate Slag
Blue Chalcedony
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Sandstone
Arenite (primarily SiO2)
Diamond
Diamond (pure Carbon, C)
Rough Diamond
Pure Carbon (C)
Pearl
Biogenic Calcium Carbonate (Aragonite/Calcite), CaCO3
Amethyst
SiO2 (Silicon Dioxide)
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Sandstone (with potential Arkose/Lithic characteristics)
Arenite (Sedimentary rock composed of sand-sized grains)
Sea Glass (Turquoise/Aqua)
Amorphous Silica (SiO2) with transition metal dopants
Red Chert (Jasper)
Cryptocrystalline Quartz (SiO2) with iron oxide inclusions
Red Sandstone
Arenite (with Iron Oxide / Hematite staining)
Sandstone
Arenite (composed primarily of SiO2)