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

Granite (Phaneritic Plutonic Felsic Rock) — igneous

Granite

Phaneritic Plutonic Felsic Rock

Travertine (Calcium Carbonate (CaCO3)) — sedimentary

Travertine

Calcium Carbonate (CaCO3)

Milky Quartz with Tourmaline and Iron Oxides (Silicon Dioxide (SiO2) with Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Milky Quartz with Tourmaline and Iron Oxides

Silicon Dioxide (SiO2) with Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Vanadinite (Pb5(VO4)3Cl) — mineral

Vanadinite

Pb5(VO4)3Cl

Limonite / Ironstone (Hydrated Iron Oxide (FeO(OH)·nH2O)) — mineral

Limonite / Ironstone

Hydrated Iron Oxide (FeO(OH)·nH2O)

Ruby (Raw Corundum) (Corundum (Al2O3) with Chromium traces) — mineral

Ruby (Raw Corundum)

Corundum (Al2O3) with Chromium traces

Quartz geode (Microcrystalline and crystalline quartz (SiO₂), likely chalcedony-lined geode) — mineral

Quartz geode

Microcrystalline and crystalline quartz (SiO₂), likely chalcedony-lined geode

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Granite (Granite) — Igneous

Granite

Granite

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Bicolor Quartz Tumble (Silicon Dioxide (SiO2)) — mineral

Bicolor Quartz Tumble

Silicon Dioxide (SiO2)

Yooperlite (Sodalite-bearing Syenite) (Sodalite-rich Syenite) — igneous

Yooperlite (Sodalite-bearing Syenite)

Sodalite-rich Syenite

Quartz with Calcite (Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3)) — mineral

Quartz with Calcite

Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3)

Septarian Pebble (Septarian nodule / Concretion) — sedimentary

Septarian Pebble

Septarian nodule / Concretion

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Malachite (Malachite (Cu2CO3(OH)2)) — mineral

Malachite

Malachite (Cu2CO3(OH)2)

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

Chrysocolla on Matrix

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

Red Sandstone (Iron-stained) (Clastic sedimentary rock (primarily Quartz with Iron Oxides)) — sedimentary

Red Sandstone (Iron-stained)

Clastic sedimentary rock (primarily Quartz with Iron Oxides)

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

Apatite

Fluorapatite (Ca5(PO4)3F)

Pyrite on Quartz matrix (Iron Disulfide (FeS2) on Silicon Dioxide (SiO2)) — mineral

Pyrite on Quartz matrix

Iron Disulfide (FeS2) on Silicon Dioxide (SiO2)

Gneiss with Quartz Veining (Gneiss (High-grade Metamorphic Rock)) — metamorphic

Gneiss with Quartz Veining

Gneiss (High-grade Metamorphic Rock)

Marble (Recrystallized Calcite (CaCO3)) — metamorphic

Marble

Recrystallized Calcite (CaCO3)

Vesicular volcanic rock, likely scoria (Scoria; composition commonly basaltic to andesitic, rich in plagioclase and pyroxene) — igneous

Vesicular volcanic rock, likely scoria

Scoria; composition commonly basaltic to andesitic, rich in plagioclase and pyroxene

Sandstone with Iron Banding (Arenite with Hematite or Limonite staining (SiO2 with Fe2O3)) — sedimentary

Sandstone with Iron Banding

Arenite with Hematite or Limonite staining (SiO2 with Fe2O3)

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

Quartz (Druzy)

Silicon Dioxide (SiO2)

Bauxite (Bauxite (mixture of Hydrous Aluminum Oxides)) — sedimentary

Bauxite

Bauxite (mixture of Hydrous Aluminum Oxides)

Quartz pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz pebble

Silicon dioxide (SiO2)

Ruby (Raw Corundum) (Al2O3 (Aluminum Oxide)) — mineral

Ruby (Raw Corundum)

Al2O3 (Aluminum Oxide)

Kidney Stone (Nephrolith (typically Calcium Oxalate - CaC2O4)) — mineral

Kidney Stone

Nephrolith (typically Calcium Oxalate - CaC2O4)

Yellow Ochre / Limonite (Hydrated ferric oxide (FeO(OH)·nH2O)) — mineral

Yellow Ochre / Limonite

Hydrated ferric oxide (FeO(OH)·nH2O)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Smoky/Granular variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Granular variety)

Silicon Dioxide (SiO2)

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Soil with Mineral Detritus and Quartz Fragments (Regolith / Silicate Mineral Aggregate) — sedimentary

Soil with Mineral Detritus and Quartz Fragments

Regolith / Silicate Mineral Aggregate

Fluorite (specifically Blue John or Banded Fluorite) (Calcium Fluoride (CaF2)) — mineral

Fluorite (specifically Blue John or Banded Fluorite)

Calcium Fluoride (CaF2)

Limonite or Goethite (Ironstone) (Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)) — mineral

Limonite or Goethite (Ironstone)

Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)

Limonite (Iron Ore / Ochre) (Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore / Ochre)

Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)

Bauxite (Bauxite (principal ore of aluminum, primarily Al(OH)3)) — sedimentary

Bauxite

Bauxite (principal ore of aluminum, primarily Al(OH)3)

Limonite (Limonite (FeO(OH)·nH2O)) — mineral

Limonite

Limonite (FeO(OH)·nH2O)

Quartz on Limestone (Silicon Dioxide (SiO2) on Calcium Carbonate (CaCO3)) — Mineral on Sedimentary

Quartz on Limestone

Silicon Dioxide (SiO2) on Calcium Carbonate (CaCO3)

Mineral on Sedimentary

Limonite with Pyrite (Hydrated Iron Oxide Hydroxide, FeO(OH)·nH2O) — mineral

Limonite with Pyrite

Hydrated Iron Oxide Hydroxide, FeO(OH)·nH2O