Bituminous Coal
Organic-rich sedimentary rock (Complex hydrocarbons)
Category
Browse synthetic (not a rock or mineral) specimens identified by the Rock Identifier community.
Bituminous Coal
Organic-rich sedimentary rock (Complex hydrocarbons)
Lapis Lazuli
Na8(Al6Si6O24)S2 (composed primarily of Lazurite, Calcite, and Pyrite)
Lapis Lazuli
Lapis Lazuli (Primary mineral: Lazurite (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)
Lapis Lazuli
Lapis Lazuli (Complex aggregate mainly of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
Lapis Lazuli
Lapis Lazuli (Rock composed primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)
Chalcanthite (Likely Synthetic/Lab-Grown)
Hydrated copper(II) sulfate (CuSO4·5H2O)
Man-made Jewelry (Metal and Glass/Plastic)
Synthetic Alloy and Amorphous Solid (SiO2/Polymer)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Rough Citrine Quartz
Silicon Dioxide (SiO2) with ferric iron impurities
Black Tourmaline
Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)
Quartz (Druzy Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Bauxite (Laterite Clay)
Bauxite (mixture of Hydrous Aluminum Oxides: Gibbsite Al(OH)3, Boehmite and Diaspore AlO(OH))
Zirconia (Ceramic) & Ion-X Glass
Zirconium Dioxide (ZrO2) and Ion-strengthened Aluminosilicate Glass
Lapis Lazuli
Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
Lapis Lazuli
Lapis Lazuli (A complex rock primarily composed of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
Lapis Lazuli
Lazurite-dominated metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)
Smoky Quartz
Silicon Dioxide (SiO2)
White Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
Lapis Lazuli (Raw Ore)
Na8[Al6Si6O24]n(S,Cl,SO4,OH)2 (Lazurite component)
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
Opalite
Synthetic Glass (Hydrated Crystalline Silicon Dioxide simulation)
Lapis Lazuli
Na8[Al6Si6O24]S2 (Lazurite component), a rock composed primarily of Lazurite, Calcite, and Pyrite
Lapis Lazuli
Sodium aluminum silicate with sulfur (main component: Lazurite [(Na,Ca)8(AlSiO4)6(SO4,S,Cl)2])
Smoky Quartz
Silicon Dioxide (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Opalite
Synthetic Glass (Simulated Opal)
Spinel
Magnesium Aluminum Oxide (MgAl2O4)
Lapis Lazuli
Na8(Al6Si6O24)S2 (Lazurite is the primary constituent mineral)
Corundum
Corundum (Al2O3)
Citrine
Citrine (Silicon Dioxide, SiO2)
Iolite (Cordierite)
Cordierite (Magnesium Aluminum Silicate), Mg2Al4Si5O18
Smoky Quartz (with Druzy/Polished Edge)
Smoky Quartz (Silicon Dioxide, SiO2)
Borosilicate Glass (Manufactured)
SiO2 + B2O3 (Silicon dioxide and Boron trioxide)
Terrazzo (Synthetic Composite Rock)
Cementitious or Epoxy Resin-bound Aggregates
Hematite
Iron(III) oxide (Fe2O3)
Blue Sapphire
Corundum (Al2O3)
Synthetic Ruby (Jewel Bearings)
Synthetic Corundum (Al2O3 doped with Chromium)
Blue Sapphire (in a faceted jewelry setting)
Corundum (Al2O3) with trace Iron and Titanium
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities