White Marble
Recrystallized Calcite (CaCO3)
metamorphic
Category
Man Made Material (Simulated Mineral)
Browse man made material (simulated mineral) specimens identified by the Rock Identifier community.
Peridot (Olivine)
Olivine ((Mg,Fe)2SiO4)
Mineral
Diamond
Diamond (C)
Mineral
Quartz (in matrix)
Quartz (SiO₂)
mineral
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
mineral
K2 Azurite Granite / K2 Stone
Granite (igneous rock) with Azurite inclusions (mineral)
igneous
Slag (Industrial Glassy Byproduct)
Anthropogenic silicate byproduct (Slag)
Mineral-like byproduct (often mistaken for igneous rock or meteorite)
Conglomerate
Conglomerate
Sedimentary Rock
Quartz
Quartz (SiO2 - Silicon Dioxide)
Mineral
Conglomerate (River Rock)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Basalt with Scoria/Vesicular Texture
Extrusive Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)
igneous
Quartz (Druzy) in host rock
SiO₂ (Silicon Dioxide) as Quartz, with unspecified host rock components (likely silicates and iron oxides)
Mineral
Serpentinite
Serpentinite
metamorphic
Green Aventurine
Silicon Dioxide with Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
metamorphic
Schist with Quartz/Mica
Mica Schist (primarily Muscovite and Quartz)
Metamorphic
Serpentinite
Serpentinite (composed primarily of minerals in the Serpentine group)
metamorphic
Quartz (possibly milky quartz or quartz with inclusions)
SiO2 (Silicon Dioxide)
Mineral
Rose Quartz
Silicon Dioxide with traces of Titanium, Iron, or Manganese (SiO2)
mineral
Rose Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium) - CuAl6(PO4)4(OH)8·4H2O
mineral
Biotite Mica
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2)
mineral
Granite
Phaneritic Intrusive Igneous Rock (primarily composed of SiO2, Al2O3, K2O, Na2O)
igneous
Quartz (likely a weathered/tumbled piece)
Quartz (SiO₂)
Mineral
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Quartz (likely Milky Quartz or Chalcedony)
Quartz (SiO2 - Silicon Dioxide)
Mineral
Basalt
Basalt
igneous
Quartzite
Quartzite (Primary mineral: Quartz, SiO2)
metamorphic
Chert (specifically Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Sandstone
Arenite
sedimentary
Ferruginous Sandstone (Ironstone)
Arenite with Limonite/Goethite cement
sedimentary
Chert (variously known as Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Quartz
Quartz (SiO₂)
Mineral
Lapis Lazuli
Lapis Lazuli (Complex silicate mineral mix including Lazurite, Pyrite, and Calcite)
metamorphic
Diamond
Carbon (C)
Mineral
Diamond
Diamond (C)
Mineral
Himalayan Salt
Halite (mineral name), chemical formula NaCl (sodium chloride). Generally, 'Himalayan Salt' is a trade name for evaporite minerals from specific regions.
Mineral
Sandstone
Sandstone (arenite is a more specific geological term for a clean sandstone, while wacke refers to a dirty sandstone with significant matrix)
Sedimentary
Agate
Chalcedony (cryptocrystalline quartz)
Mineral
Quartz with Iron Stains
Quartz (SiO2) with iron oxide/hydroxide staining
Mineral
Diorite (with Iron Staining)
Phaneritic Intermediate Igneous Rock
igneous
Clear Quartz (or Rock Crystal)
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Biotite Schist
Biotite Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)
metamorphic