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

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Granite (Granite) — igneous

Granite

Granite

Garnet in Schist (Mica Schist with Garnet Inclusion) (Garnetiferous Mica Schist (X3Al2(SiO4)3)) — metamorphic

Garnet in Schist (Mica Schist with Garnet Inclusion)

Garnetiferous Mica Schist (X3Al2(SiO4)3)

Magnetite-rich Basalt (Basalt containing Fe3O4) — igneous

Magnetite-rich Basalt

Basalt containing Fe3O4

Schist (Micaceous) (Mica Schist) — metamorphic

Schist (Micaceous)

Mica Schist

Sandstone (Common Quartz Pebble/Rock) (Sedimentary rock / Quartz arenite) — sedimentary

Sandstone (Common Quartz Pebble/Rock)

Sedimentary rock / Quartz arenite

Limonite Geode / Ironstone Concretion (Hydrated Iron Oxide (FeO(OH)·nH2O)) — sedimentary

Limonite Geode / Ironstone Concretion

Hydrated Iron Oxide (FeO(OH)·nH2O)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Shale with Pyrite (Clastic sedimentary rock containing Iron Disulfide (FeS2)) — sedimentary

Shale with Pyrite

Clastic sedimentary rock containing Iron Disulfide (FeS2)

Fuchsite (Chromium-rich Muscovite Mica) — mineral

Fuchsite

Chromium-rich Muscovite Mica

Quartz (Iron-stained or Rose variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained or Rose variant)

Silicon Dioxide (SiO2)

Granite (Phaneritic intrusive igneous rock (Quartz, Feldspar, Mica)) — igneous

Granite

Phaneritic intrusive igneous rock (Quartz, Feldspar, Mica)

Gneiss (Banded Gneiss) (Gneiss) — metamorphic

Gneiss (Banded Gneiss)

Gneiss

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

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

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Amygdaloidal Basalt (Amygdaloidal Basalt (containing quartz/agate or zeolite fill)) — igneous

Amygdaloidal Basalt

Amygdaloidal Basalt (containing quartz/agate or zeolite fill)

Granite (Granite) — igneous

Granite

Granite

Gabbro or Diorite with Quartz/Epidote Vein (Intrusive Igneous Rock (Plutonic)) — igneous

Gabbro or Diorite with Quartz/Epidote Vein

Intrusive Igneous Rock (Plutonic)

Unakite (Epidotized Granite) — metamorphic

Unakite

Epidotized Granite

Granite Gneiss (Granitic Gneiss) — Metamorphic

Granite Gneiss

Granitic Gneiss

Fluorite Carving (Fluorite (Calcium Fluoride, CaF2)) — mineral

Fluorite Carving

Fluorite (Calcium Fluoride, CaF2)

Quartz Vein in Basalt or Slate (Hydrothermal quartz vein traversing mafic host rock) — metamorphic

Quartz Vein in Basalt or Slate

Hydrothermal quartz vein traversing mafic host rock

Red Sandstone (Ferruginous Sandstone) — sedimentary

Red Sandstone

Ferruginous Sandstone

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Celestite (Celestine (SrSO4)) — mineral

Celestite

Celestine (SrSO4)

Hematite (Botryoidal) (Hematite (Fe2O3)) — mineral

Hematite (Botryoidal)

Hematite (Fe2O3)

Turquoise (CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Quartz (River Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (River Pebble)

Silicon Dioxide (SiO2)

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

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Sandstone with Iron Oxide Staining (Arenite with Limonite/Hematite alteration) — sedimentary

Sandstone with Iron Oxide Staining

Arenite with Limonite/Hematite alteration

Ironstone Concretion (Siderite or Hematite Concretion) — sedimentary

Ironstone Concretion

Siderite or Hematite Concretion

Turquoise (CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Copper Ore Bearing Rock (Host rock with secondary copper minerals (such as Malachite, Azurite, and Chrysocolla)) — mineral

Copper Ore Bearing Rock

Host rock with secondary copper minerals (such as Malachite, Azurite, and Chrysocolla)

Tiger's Eye (Jasper-like Chalcedony) (Silicon dioxide (SiO2) - Pseudomorph after Crocidolite) — metamorphic

Tiger's Eye (Jasper-like Chalcedony)

Silicon dioxide (SiO2) - Pseudomorph after Crocidolite

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

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Blue Apatite (Fluorapatite / Apatite group (Ca5(PO4)3(F,Cl,OH))) — mineral

Blue Apatite

Fluorapatite / Apatite group (Ca5(PO4)3(F,Cl,OH))

Fluorite on Matrix (Calcium Fluoride (CaF2)) — mineral

Fluorite on Matrix

Calcium Fluoride (CaF2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Green Fluorite (Calcium Fluoride (CaF2)) — mineral

Green Fluorite

Calcium Fluoride (CaF2)