Rock Identifier

Category

Mineral (Evaporite)

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

Learn about Mineral (Evaporite) in the encyclopedia

Halite

Halite

Rock Salt

Rock Salt

Rock Gypsum

Rock Gypsum

Glauconite

Glauconite

Hutcheonite

Hutcheonite

Sperrylite

Sperrylite

Baddeleyite

Baddeleyite

Anatase

Anatase

Brookite

Brookite

Talc

Talc

Euxenite

Euxenite

Eltyubyuite

Eltyubyuite

Sandstone (with garnet granules) (Clastic sedimentary rock (primarily SiO2 with Fe3Al2(SiO4)3 inclusions)) — sedimentary

Sandstone (with garnet granules)

Clastic sedimentary rock (primarily SiO2 with Fe3Al2(SiO4)3 inclusions)

Porphyritic Basalt (Basalt (with plagioclase or k-feldspar phenocrysts)) — igneous

Porphyritic Basalt

Basalt (with plagioclase or k-feldspar phenocrysts)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

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

Gneiss

Gneiss (High-grade metamorphic rock)

Blue Goldstone (Aventurine Glass) — Man-made mineral simulant (Glass)

Blue Goldstone

Aventurine Glass

Man-made mineral simulant (Glass)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Basalt with Quartz/Calcite Veins (Aphanitic Mafic Igneous Rock (Hydrothermal Veined)) — igneous

Basalt with Quartz/Calcite Veins

Aphanitic Mafic Igneous Rock (Hydrothermal Veined)

Green Garden Quartz (Phantom Quartz) (Silicon Dioxide (SiO2) with Chlorite inclusions) — mineral

Green Garden Quartz (Phantom Quartz)

Silicon Dioxide (SiO2) with Chlorite inclusions

Earth (Terra / Earth) — igneous, sedimentary, and metamorphic

Earth

Terra / Earth

igneous, sedimentary, and metamorphic

Gneiss (Gneiss (High-grade Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (High-grade Metamorphic Rock)

Mica-rich Schist fragment (Mica Schist) — metamorphic

Mica-rich Schist fragment

Mica Schist

Carnelian (Carnelian (SiO2)) — mineral

Carnelian

Carnelian (SiO2)

Sandstone (Quartzose Sandstone) (Clastic sedimentary rock (SiO2 dominated)) — sedimentary

Sandstone (Quartzose Sandstone)

Clastic sedimentary rock (SiO2 dominated)

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

Granite

Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)

Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Gneiss (Pebble) (Gneiss) — metamorphic

Gneiss (Pebble)

Gneiss

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

Granite

Granite (Felsic intrusive igneous rock)

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

Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Granite (Granite (composed primarily of Quartz SiO2, Feldspar (KAlSi3O8), and Mica)) — igneous

Granite

Granite (composed primarily of Quartz SiO2, Feldspar (KAlSi3O8), and Mica)

Chromite (Chromite (FeCr2O4)) — mineral

Chromite

Chromite (FeCr2O4)

Corundum (Ruby Variety) (Corundum (Al2O3)) — mineral

Corundum (Ruby Variety)

Corundum (Al2O3)

Magnetite (Iron(II,III) oxide (Fe3O4)) — mineral

Magnetite

Iron(II,III) oxide (Fe3O4)

Amygdaloidal Basalt (Amygdaloidal Basalt (Ca-rich Plagioclase, Pyroxene, and Olivine)) — igneous

Amygdaloidal Basalt

Amygdaloidal Basalt (Ca-rich Plagioclase, Pyroxene, and Olivine)

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

Quartz Crystal Fragment

Silicon Dioxide (SiO2)

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

Quartz (Druzy)

Silicon Dioxide (SiO2)

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

Limonite/Goethite Gossan

FeO(OH)·nH2O (Hydrated iron oxide)

Mica (specimen appears to be Muscovite or Phlogopite) (Phyllosilicate mineral; Muscovite: KAl2(AlSi3O10)(F,OH)2) — Mineral (Found in Igneous and Metamorphic rocks)

Mica (specimen appears to be Muscovite or Phlogopite)

Phyllosilicate mineral; Muscovite: KAl2(AlSi3O10)(F,OH)2

Mineral (Found in Igneous and Metamorphic rocks)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

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

Granite (Leucogranite)

Felsic Plutonic Rock (Granite)

Dark-colored Igneous Rock (likely Basalt or Diabase) (Basalt (extrusive igneous) or Diabase (intrusive igneous)) — Igneous Rock

Dark-colored Igneous Rock (likely Basalt or Diabase)

Basalt (extrusive igneous) or Diabase (intrusive igneous)

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

Smoky Quartz with Inclusions

Silicon Dioxide (SiO2)

Rough Emerald (Emerald (Beryl), Be3Al2(SiO3)6) — mineral

Rough Emerald

Emerald (Beryl), Be3Al2(SiO3)6

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

Prehnite

Ca2Al(AlSi3O10)(OH)2

Bornite (Peacock Ore) (Bornite (Cu5FeS4)) — mineral

Bornite (Peacock Ore)

Bornite (Cu5FeS4)

Pyrite in Quartz (Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)) — mineral

Pyrite in Quartz

Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)

Turquoise (Turquoise (Hydrated phosphate of copper and aluminium), CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

Turquoise (Hydrated phosphate of copper and aluminium), CuAl6(PO4)4(OH)8·4H2O

Red Sandstone (Arenite (Ferruginous Sandstone)) — sedimentary

Red Sandstone

Arenite (Ferruginous Sandstone)

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

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

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)