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

Amazonite (Microcline Feldspar) (KAlSi3O8 (Potassium Aluminum Silicate)) — mineral

Amazonite (Microcline Feldspar)

KAlSi3O8 (Potassium Aluminum Silicate)

Limonite / Iron Oxide Concretion (FeO(OH)·nH2O (Hydrated iron oxide)) — mineral

Limonite / Iron Oxide Concretion

FeO(OH)·nH2O (Hydrated iron oxide)

Tiger's Eye (Silicon Dioxide (Quartz pseudomorph after crocidolite)) — gemstone

Tiger's Eye

Silicon Dioxide (Quartz pseudomorph after crocidolite)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Rose Quartz (Silicon Dioxide (SiO2) with trace Manganese, Titanium, or Iron) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace Manganese, Titanium, or Iron

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Quartz-rich metamorphic rock, likely milky quartz or quartzite (Quartz (SiO₂); possibly quartzite composed predominantly of recrystallized quartz) — metamorphic

Quartz-rich metamorphic rock, likely milky quartz or quartzite

Quartz (SiO₂); possibly quartzite composed predominantly of recrystallized quartz

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Garnet (Almandine/Pyrope Garnet (Silicate Mineral Group)) — mineral

Garnet

Almandine/Pyrope Garnet (Silicate Mineral Group)

Shale (possibly Carbonaceous or Oil Shale) (Laminated Mudstone (primarily clay minerals and quartz)) — sedimentary

Shale (possibly Carbonaceous or Oil Shale)

Laminated Mudstone (primarily clay minerals and quartz)

Fossilized Brachiopod (Brachiopoda (Phylum)) — fossil

Fossilized Brachiopod

Brachiopoda (Phylum)

Quartzite Pebble (Quartzite (SiO2) with mineral inclusions) — metamorphic

Quartzite Pebble

Quartzite (SiO2) with mineral inclusions

Breciated Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Breciated Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

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 Mineral (Silicon Dioxide (SiO2)) — mineral

Quartz Mineral

Silicon Dioxide (SiO2)

Gold Mineral (Native Gold (Au)) — mineral

Gold Mineral

Native Gold (Au)

Granite (Granite) — igneous

Granite

Granite

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Geode / Fossilized Gastropod or Shell Cast (Silicon dioxide (Quartz) replacement / fossil mold) — sedimentary

Geode / Fossilized Gastropod or Shell Cast

Silicon dioxide (Quartz) replacement / fossil mold

Sandstone (Sandstone (SiO2-rich clastic sedimentary rock)) — sedimentary

Sandstone

Sandstone (SiO2-rich clastic sedimentary rock)

Sandstone (Quartzose Sandstone) (Sandstone (SiO2 dominant composition)) — sedimentary

Sandstone (Quartzose Sandstone)

Sandstone (SiO2 dominant composition)

Sandstone (Pebble) (Sandstone) — sedimentary

Sandstone (Pebble)

Sandstone

Sandstone (Arenite (predominantly SiO2)) — sedimentary

Sandstone

Arenite (predominantly SiO2)

Sandstone pebble (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone pebble

Clastic sedimentary rock (primarily SiO2)

Banded Carnelian Agate (Silicon Dioxide (SiO2)) — sedimentary

Banded Carnelian Agate

Silicon Dioxide (SiO2)

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite (SiO2 with minor iron oxides)) — sedimentary

Sandstone

Arenite (SiO2 with minor iron oxides)

Sandstone (Sandstone (Arenite)) — sedimentary

Sandstone

Sandstone (Arenite)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Micaceous) (Clastic Sedimentary Rock - Micaceous Litharenite (SiO2 principal)) — sedimentary

Sandstone (Micaceous)

Clastic Sedimentary Rock - Micaceous Litharenite (SiO2 principal)

Amethyst (Silicon Dioxide (SiO2)) — gemstone

Amethyst

Silicon Dioxide (SiO2)

Sandstone (Arkose/Quartzose) (Arenite (SiO2 based clastic rock)) — sedimentary

Sandstone (Arkose/Quartzose)

Arenite (SiO2 based clastic rock)

Sandstone (likely Siltstone or Mudstone) (Clastic sedimentary rock (primarily SiO2 with various oxides)) — sedimentary

Sandstone (likely Siltstone or Mudstone)

Clastic sedimentary rock (primarily SiO2 with various oxides)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

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

Turquoise

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

Red Sandstone (Arenite (Ferruginous Sandstone)) — sedimentary

Red Sandstone

Arenite (Ferruginous Sandstone)