Rock Identifier

Category

Mineral_rock

Browse mineral_rock specimens identified by the Rock Identifier community.

Learn about Mineral_rock in the encyclopedia

Rock Salt

Calc-Silicate Rock

Calc-Silicate Rock

Halite

Dolomite

Gypsum

Coal

Claystone

Carbonatite

Serpentinite

Skarn

Schist

Shale

Sandstone (lithic/greywacke variant) (Clastic sedimentary rock (primarily SiO2 with rock fragments)) — sedimentary

Sandstone (lithic/greywacke variant)

Clastic sedimentary rock (primarily SiO2 with rock fragments)

Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O) — mineral

Chrysocolla

Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O

Unakite (Altered Granite (Epidotized Granite)) — metamorphic

Unakite

Altered Granite (Epidotized Granite)

Lepidolite in Quartz Matrix (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) — mineral

Lepidolite in Quartz Matrix

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2

Red Sandstone (Sandstone (mainly SiO2 with Iron Oxide cement)) — sedimentary

Red Sandstone

Sandstone (mainly SiO2 with Iron Oxide cement)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Ferruginous) (Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (Ferruginous)

Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)

Sandstone (specifically Picture Sandstone or Wonderstone) (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone (specifically Picture Sandstone or Wonderstone)

Arenite (composed primarily of SiO2)

Red Sandstone (Clastic sedimentary rock (primarily SiO2 with Fe2O3 iron oxide staining)) — sedimentary

Red Sandstone

Clastic sedimentary rock (primarily SiO2 with Fe2O3 iron oxide staining)

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

Sandstone

Arenite (composed primarily of SiO2)

Granite (Granite) — igneous

Granite

Granite

Rough Apatite in Matrix (Fluorapatite / Chlorapatite / Hydroxylapatite (Ca5(PO4)3(F,Cl,OH))) — mineral

Rough Apatite in Matrix

Fluorapatite / Chlorapatite / Hydroxylapatite (Ca5(PO4)3(F,Cl,OH))

Sandstone (Arenite (SiO2 predominantly)) — sedimentary

Sandstone

Arenite (SiO2 predominantly)

Barite (Barium Sulfate (BaSO4)) — mineral

Barite

Barium Sulfate (BaSO4)

Granite (Intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase) — igneous

Granite

Intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase

Sandstone Pebble (Sandstone (primarily Quartz, SiO2)) — sedimentary

Sandstone Pebble

Sandstone (primarily Quartz, SiO2)

Yellow Jasper (Silicon Dioxide (SiO2) with iron hydroxides) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron hydroxides

Epidote (Epidote (Ca2(Al, Fe)3(SiO4)3(OH))) — mineral

Epidote

Epidote (Ca2(Al, Fe)3(SiO4)3(OH))

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Turquoise

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

Quartz in Host Rock (Silicon Dioxide (SiO2) in Rhyolite or Granite matrix) — igneous

Quartz in Host Rock

Silicon Dioxide (SiO2) in Rhyolite or Granite matrix

Likely weathered gneiss (Foliated metamorphic rock, commonly quartz–feldspar–mica gneiss) — metamorphic

Likely weathered gneiss

Foliated metamorphic rock, commonly quartz–feldspar–mica gneiss

Limonite/Goethite on Shale (Hydrous ferric oxides (FeO(OH)·nH2O) often associated with argillaceous rock) — sedimentary

Limonite/Goethite on Shale

Hydrous ferric oxides (FeO(OH)·nH2O) often associated with argillaceous rock

Amber (Amber (C10H16O)) — mineral

Amber

Amber (C10H16O)

River Pebble (Grantoid/Quartzite) (Quartz-rich igneous rock (Granitoid)) — igneous

River Pebble (Grantoid/Quartzite)

Quartz-rich igneous rock (Granitoid)

Diorite (Diorite (intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (intermediate intrusive igneous rock)

Granite (Granite (High-silica plutonic rock)) — igneous

Granite

Granite (High-silica plutonic rock)

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

Gneiss

Gneiss (High-grade Metamorphic Rock)

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

Gneiss

Gneiss (High-grade metamorphic rock)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Citrine (Heat-treated Amethyst) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Citrine (Heat-treated Amethyst)

Silicon Dioxide (SiO2) with iron impurities

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Schist (Schist (Crystalline Metamorphic Rock)) — metamorphic

Schist

Schist (Crystalline Metamorphic Rock)

Vesicular Basalt (Aphanitic Mafic Volcanic Rock) — igneous

Vesicular Basalt

Aphanitic Mafic Volcanic Rock

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Apophyllite cluster (Fluorapophyllite-(K), KCa4(Si8O20)(F,OH)·8H2O) — mineral

Apophyllite cluster

Fluorapophyllite-(K), KCa4(Si8O20)(F,OH)·8H2O

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Arsenopyrite (Arsenopyrite (FeAsS)) — mineral

Arsenopyrite

Arsenopyrite (FeAsS)

Rhodonite (Manganese Silicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Pyrite and Quartz Agglomerate (Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)) — mineral

Pyrite and Quartz Agglomerate

Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)