Rock Identifier

Category

Igneous, Sedimentary, And Metamorphic Mix

Browse igneous, sedimentary, and metamorphic mix specimens identified by the Rock Identifier community.

Greenschist (Greenschist facies rock) — Metamorphic

Greenschist

Greenschist facies rock

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Quartz (likely Milky Quartz or Chalcedony) (Quartz (SiO2 - Silicon Dioxide)) — Mineral

Quartz (likely Milky Quartz or Chalcedony)

Quartz (SiO2 - Silicon Dioxide)

Granite Gneiss (Gneiss (derived from granitic protolith)) — metamorphic

Granite Gneiss

Gneiss (derived from granitic protolith)

Muscovite Mica (Muscovite (KAl2(AlSi3O10)(OH)2)) — mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Epidotite (Unakite-related Epidote) (Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))) — metamorphic

Epidotite (Unakite-related Epidote)

Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))

Rose Quartz (Silicon Dioxide with trace inclusions of dumortierite or titanium (SiO2)) — mineral

Rose Quartz

Silicon Dioxide with trace inclusions of dumortierite or titanium (SiO2)

Milky Quartz in Epidote Host Rock (Crystalline Silicon Dioxide (SiO2) with Epidote Ca2(Al,Fe)3(SiO4)3(OH)) — mineral

Milky Quartz in Epidote Host Rock

Crystalline Silicon Dioxide (SiO2) with Epidote Ca2(Al,Fe)3(SiO4)3(OH)

Rhodonite (Rhodonite (MnSiO3)) — mineral

Rhodonite

Rhodonite (MnSiO3)

Clear Quartz (Rock Crystal) (Quartz (SiO₂)) — Mineral

Clear Quartz (Rock Crystal)

Quartz (SiO₂)

Milky Quartz with Iron Staining (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Quartz (Smoky Quartz variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky Quartz variant)

Silicon Dioxide (SiO2)

Milky Quartz (Common Quartz) (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz (Common Quartz)

Quartz (Silicon Dioxide, SiO2)

Aventurine (Silicon Dioxide (SiO2) with inclusions) — mineral

Aventurine

Silicon Dioxide (SiO2) with inclusions

Corundum (Sapphire/Ruby in Matrix) (Corundum (Al2O3)) — mineral

Corundum (Sapphire/Ruby in Matrix)

Corundum (Al2O3)

Muscovite (Muscovite (KAl2(AlSi3O10)(OH)2)) — mineral

Muscovite

Muscovite (KAl2(AlSi3O10)(OH)2)

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

Potassium Feldspar (Orthoclase) (Orthoclase (KAlSi3O8)) — mineral

Potassium Feldspar (Orthoclase)

Orthoclase (KAlSi3O8)

Muscovite Mica (Muscovite: KAl2(AlSi3O10)(OH)2) — mineral

Muscovite Mica

Muscovite: KAl2(AlSi3O10)(OH)2

Citrine Quartz (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz

Silicon Dioxide (SiO2)

Corundum (Sapphire and Ruby) (Aluminum Oxide (Al2O3)) — mineral

Corundum (Sapphire and Ruby)

Aluminum Oxide (Al2O3)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Small Fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Small Fragment)

Silicon Dioxide (SiO2)

Green Aventurine (Silicon Dioxide (SiO2) with Fuchsite inclusions) — mineral

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Sodalite (Sodalite Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Sodalite Na8(Al6Si6O24)Cl2

Sodalite (Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)

Citrine Quartz (Silicon Dioxide (SiO2) with iron impurities) — mineral

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Chalcopyrite (Chalcopyrite (CuFeS2)) — mineral

Chalcopyrite

Chalcopyrite (CuFeS2)

Hypersthene (Enstatite (Hypersthene variety), (Mg,Fe)SiO3) — mineral

Hypersthene

Enstatite (Hypersthene variety), (Mg,Fe)SiO3

Muscovite Mica (Muscovite (KAl2(AlSi3O10)(F,OH)2)) — mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(F,OH)2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Peach Moonstone (Orange/Peach Feldspar) (Potassium aluminum silicate (KAlSi3O8)) — mineral

Peach Moonstone (Orange/Peach Feldspar)

Potassium aluminum silicate (KAlSi3O8)

Smoky Quartz (Silicon Dioxide (SiO₂)) — mineral

Smoky Quartz

Silicon Dioxide (SiO₂)

Labradorite (Dark or Black variety) (Labradorite (member of Plagioclase Feldspar group), (Na,Ca)(Si,Al)4O8) — mineral

Labradorite (Dark or Black variety)

Labradorite (member of Plagioclase Feldspar group), (Na,Ca)(Si,Al)4O8

Raw Corundum (Sapphire/Ruby variant) (Aluminum oxide (Al2O3)) — mineral

Raw Corundum (Sapphire/Ruby variant)

Aluminum oxide (Al2O3)

Tourmaline (Multi-colored) (Complex Borosilicate (Na,Ca)(Li,Mg,Al,Fe)3Al6(BO3)3Si6O18(OH)4) — mineral

Tourmaline (Multi-colored)

Complex Borosilicate (Na,Ca)(Li,Mg,Al,Fe)3Al6(BO3)3Si6O18(OH)4

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Moonstone (Feldspar) (Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8)) — mineral

Moonstone (Feldspar)

Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8)