Rock Identifier

Category

Mineral (Extraterrestrial)

Browse mineral (extraterrestrial) specimens identified by the Rock Identifier community.

Amazonite (K(AlSi3O8) - Microcline variant) — mineral

Amazonite

K(AlSi3O8) - Microcline variant

mineral
Amethyst (Amethyst (Silicon Dioxide, SiO2)) — mineral

Amethyst

Amethyst (Silicon Dioxide, SiO2)

mineral
Dyed Agate (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Dyed Agate

Chalcedony (Silicon Dioxide, SiO2)

mineral
Amazonite (Potassium aluminum silicate (Microcline); KAlSi3O8) — mineral

Amazonite

Potassium aluminum silicate (Microcline); KAlSi3O8

mineral
Amazonite (or Amazon Stone) (Potassium Feldspar (Microcline), K(AlSi3O8)) — mineral

Amazonite (or Amazon Stone)

Potassium Feldspar (Microcline), K(AlSi3O8)

mineral
Clear Quartz (SiO2 (Silicon Dioxide)) — mineral

Clear Quartz

SiO2 (Silicon Dioxide)

mineral
Orthoceratid Fossil in Limestone (Orthoceras (extinct genus of Nautiloid Cephalopod)) — sedimentary

Orthoceratid Fossil in Limestone

Orthoceras (extinct genus of Nautiloid Cephalopod)

sedimentary
Prehnite (Prehnite - Ca2Al(AlSi3O10)(OH)2) — mineral

Prehnite

Prehnite - Ca2Al(AlSi3O10)(OH)2

mineral
Thunderegg (specifically a Jasper/Agate-filled Geode nodule) (Silicon Dioxide (SiO2) within Rhyolitic Matrix) — igneous

Thunderegg (specifically a Jasper/Agate-filled Geode nodule)

Silicon Dioxide (SiO2) within Rhyolitic Matrix

igneous
Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with iron impurities

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

Smoky Quartz

Silicon Dioxide (SiO2)

mineral
Amazonite (Microcline (Amazonstone), K(AlSi3O8)) — mineral

Amazonite

Microcline (Amazonstone), K(AlSi3O8)

mineral
Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with iron impurities

mineral
Agate Geode (Chalcedony (cryptocrystalline SiO2)) — mineral

Agate Geode

Chalcedony (cryptocrystalline SiO2)

mineral
Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with iron impurities

mineral
Sandstone with Liesegang Rings (Arenite with Iron Oxide Concretions) — sedimentary

Sandstone with Liesegang Rings

Arenite with Iron Oxide Concretions

sedimentary
Chrysocolla on Matrix (Hydrated copper phyllosilicate (Cu,Al)2H2Si2O5(OH)4·nH2O) — mineral

Chrysocolla on Matrix

Hydrated copper phyllosilicate (Cu,Al)2H2Si2O5(OH)4·nH2O

mineral
Granite (Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)

igneous
Serpentinite (Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4) — metamorphic

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

metamorphic
Gneiss (Pebble) (Gneiss) — metamorphic

Gneiss (Pebble)

Gneiss

metamorphic
Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

metamorphic
Granite (Granite (Felsic intrusive igneous rock)) — igneous

Granite

Granite (Felsic intrusive igneous rock)

igneous
Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

igneous
Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

igneous
Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

igneous
Amygdaloidal Basalt with Epidote (Amygdaloidal Basalt (Mafic volcanic rock)) — igneous

Amygdaloidal Basalt with Epidote

Amygdaloidal Basalt (Mafic volcanic rock)

igneous
Quartz (Druzy) (Silicon Dioxide (SiO2)) — mineral

Quartz (Druzy)

Silicon Dioxide (SiO2)

mineral
Limonite/Goethite Gossan (FeO(OH)·nH2O (Hydrated iron oxide)) — mineral

Limonite/Goethite Gossan

FeO(OH)·nH2O (Hydrated iron oxide)

mineral
Granite (Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)) — igneous

Granite

Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)

igneous
Chrysocolla (Hydrated copper phyllosilicate, Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O)) — mineral

Chrysocolla

Hydrated copper phyllosilicate, Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O)

mineral
Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

sedimentary
Chrysocolla (Chrysocolla; (Cu,Al)2H2Si2O5(OH)4·nH2O) — mineral

Chrysocolla

Chrysocolla; (Cu,Al)2H2Si2O5(OH)4·nH2O

mineral
Gneiss (High-grade regional metamorphic rock) — metamorphic

Gneiss

High-grade regional metamorphic rock

metamorphic
Pink Granite (Granite (Felsic Plutonic Rock)) — igneous

Pink Granite

Granite (Felsic Plutonic Rock)

igneous
Porphyritic Rhyolite (Porphyritic Rhyolite (SiO2)) — igneous

Porphyritic Rhyolite

Porphyritic Rhyolite (SiO2)

igneous
Quartz with Schist Inclusion (Crystalline Silicon Dioxide (SiO2) with Muscovite/Biotite Schist) — metamorphic

Quartz with Schist Inclusion

Crystalline Silicon Dioxide (SiO2) with Muscovite/Biotite Schist

metamorphic
Granite Cobble (Phaneritic Felsic Igneous Rock) — igneous

Granite Cobble

Phaneritic Felsic Igneous Rock

igneous
Basalt with Quartz Vein (Basalt (extrusive igneous rock) with Quartz (SiO2) inclusion) — igneous

Basalt with Quartz Vein

Basalt (extrusive igneous rock) with Quartz (SiO2) inclusion

igneous
Green Aventurine (Aventurine Quartz (SiO2 containing Fuchsite)) — metamorphic

Green Aventurine

Aventurine Quartz (SiO2 containing Fuchsite)

metamorphic
Granite or Granitic Gneiss (Granitoid / Gneiss) — Igneous / Metamorphic

Granite or Granitic Gneiss

Granitoid / Gneiss

Igneous / Metamorphic
Greenstone (Greenschist) — metamorphic

Greenstone

Greenschist

metamorphic
Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

igneous