Granite (Core Sample)
Phaneritic Felsic Igneous Rock (Granite)
Category
Browse mineral composite specimens identified by the Rock Identifier community.
Granite (Core Sample)
Phaneritic Felsic Igneous Rock (Granite)
Granodiorite
Granodiorite (Quartz + Plagioclase + Alkali Feldspar + Biotite/Hornblende)
Basalt
Mafic Volcanic Rock (composed of plagioclase, pyroxene, and olivine)
Lapis Lazuli
Lapis lazuli (Mainly Lazurite: Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
Himalayan Pink Salt
Halite (NaCl)
Unakite
Unakite (altered granite)
Schist
Mica Schist (Group of medium-grade metamorphic rocks)
Jade (Nephrite or Jadeite)
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 (amphibole mineral); Jadeite: NaAlSi2O6 (pyroxene mineral)
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Yellow Ocher / Limonite
FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide)
Magnetite (potentially Hematite-rich)
Magnetite (Fe3O4)
Schorl (Black Tourmaline) in Quartz and Feldspar
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Pyrite
Iron Sulfide (FeS2)
Celestine (Celestite)
Strontium sulfate (SrSO4)
Corundum (Sapphire/Ruby in Matrix)
Corundum (Al2O3)
Diamond (Cluster Ring)
Carbon (C)
Milky Quartz (Common Quartz)
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Silicon Dioxide with traces of Titanium, Iron, or Manganese (SiO2)
Diamond (appearing in jewelry)
Diamond (pure Carbon, C)
Diamond
Diamond (pure native carbon, C)
Rough Diamond
Diamond (C)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Pink Quartz (SiO2)
Yellow Quartz (Citrine-colored Quartz Pebble)
Silicon Dioxide (SiO2)
Chrysocolla Chalcedony
Hydrated Copper Phyllosilicate (Cu,Al)2H2Si2O5(OH)4 + SiO2
Quartz (specifically a water-worn river pebble)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Diamond
Native Carbon (C)
Gold-bearing Quartz
Auriferous Quartz (SiO2 with Native Gold inclusion)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz (among River Rock)
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz (Beach Pebble)
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Iron Gossan (Limonite/Goethite)
Hydrated Iron Oxides (FeO(OH)·nH2O) from oxidation zones
Pink Granite
Phaneritic Felsic Igneous Rock (Rich in K-Feldspar)
Ruby in Zoisite
Anyolite (Ruby in Zoisite)
Lapis Lazuli
A metamorphic rock primarily composed of lazurite (Na,Ca)8[(S,SO4,Cl)2|(Al6Si6O24)], calcite (CaCO3), and pyrite (FeS2).
Greenschist
Greenschist (chlorite-epidote schist)