Rock Identifier

Category

Mineral Composite

Browse mineral composite specimens identified by the Rock Identifier community.

Learn about Mineral Composite in the encyclopedia

Glauconite

Hutcheonite

Halite

Sperrylite

Sea Sediment Jasper

Baddeleyite

Anatase

Brookite

Talc

Euxenite

Eltyubyuite

Buergerite

Mixed Rock and Mineral Collection (Mixed Assemblage (includes Quartz, Jasper, Feldspar, and Turquoise-colored stones)) — mineral

Mixed Rock and Mineral Collection

Mixed Assemblage (includes Quartz, Jasper, Feldspar, and Turquoise-colored stones)

Mixed Gemstone and Mineral Collection (Silicon Dioxide (SiO2) based minerals and others) — mineral

Mixed Gemstone and Mineral Collection

Silicon Dioxide (SiO2) based minerals and others

Diorite (possibly fine-grained variety or a related intermediate intrusive rock like a felsic gabbro or a dark granodiorite) (Diorite (Igneous rock, intrusive, intermediate composition)) — Igneous Rock

Diorite (possibly fine-grained variety or a related intermediate intrusive rock like a felsic gabbro or a dark granodiorite)

Diorite (Igneous rock, intrusive, intermediate composition)

Limonite (FeO(OH)·nH2O) — mineral

Limonite

FeO(OH)·nH2O

Bornite (Bornite (Cu5FeS4)) — mineral

Bornite

Bornite (Cu5FeS4)

Sandstone (River Rock) (Arenite (SiO2 based sedimentary rock)) — sedimentary

Sandstone (River Rock)

Arenite (SiO2 based sedimentary rock)

Sandstone (Ferruginous) (Arenite (with iron oxide cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (with iron oxide cement)

Red Sandstone (Iron-Rich) (Arenite (Fe2O3)) — sedimentary

Red Sandstone (Iron-Rich)

Arenite (Fe2O3)

Sandstone (Sedimentary Clastic Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Clastic Rock (Quartz arenite)

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

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

Green Fluorite (Calcium Fluoride (CaF2)) — mineral

Green Fluorite

Calcium Fluoride (CaF2)

Bauxite (Bauxite (mixture of hydrous aluminum oxides: Al(OH)3 & AlO(OH))) — sedimentary

Bauxite

Bauxite (mixture of hydrous aluminum oxides: Al(OH)3 & AlO(OH))

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

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Fluorite Carving

Fluorite (Calcium Fluoride, CaF2)

Banded Iron Formation (Banded Iron Formation (BIF)) — sedimentary

Banded Iron Formation

Banded Iron Formation (BIF)

Coprolite (Fossilized Feces) — fossil

Coprolite

Fossilized Feces

Fossilized Ray Barb (Stinger) Fragment (Myliobatiformes indet. (Fossil stingray spine)) — fossil

Fossilized Ray Barb (Stinger) Fragment

Myliobatiformes indet. (Fossil stingray spine)

Granite Pebble (Granite (Plutonic Igneous Rock)) — igneous

Granite Pebble

Granite (Plutonic Igneous Rock)

Granite Gneiss (Granitic Gneiss) — Metamorphic

Granite Gneiss

Granitic Gneiss

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

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Azurite Malachite (Azurite (Cu3(CO3)2(OH)2) and Malachite (Cu2CO3(OH)2)) — mineral

Azurite Malachite

Azurite (Cu3(CO3)2(OH)2) and Malachite (Cu2CO3(OH)2)

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

Milky Quartz with Iron Inclusions

Silicon Dioxide (SiO2)

Jasper with Quartz Vein (Silicon Dioxide (SiO2)) — sedimentary

Jasper with Quartz Vein

Silicon Dioxide (SiO2)

Yellow Ochre (Limonite) (Limonite (FeO(OH)qnH2O)) — sedimentary

Yellow Ochre (Limonite)

Limonite (FeO(OH)qnH2O)

Botryoidal Smithsonite (Smithsonite (Zinc Carbonate, ZnCO3)) — mineral

Botryoidal Smithsonite

Smithsonite (Zinc Carbonate, ZnCO3)

Sandstone with Iron Staining (Arenite (SiO2 with Fe2O3)) — sedimentary

Sandstone with Iron Staining

Arenite (SiO2 with Fe2O3)

Blue and White Quartz (Crystalline Silicon Dioxide with inclusions (SiO2)) — mineral

Blue and White Quartz

Crystalline Silicon Dioxide with inclusions (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

Rhodochrosite (Manganese Carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese Carbonate (MnCO3)

Quartz on Sandstone (Silicon Dioxide (SiO2) in Lithic Sandstone) — sedimentary

Quartz on Sandstone

Silicon Dioxide (SiO2) in Lithic Sandstone

Orthoclase Feldspar (Orthoclase (KAlSi3O8)) — mineral

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

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

Turquoise

Turquoise (CuAl6(PO4)4(OH)8·4H2O)

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

Rhodonite

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

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]

Kaolinite (Chalky Clay) (Kaolinite (Al2Si2O5(OH)4)) — sedimentary

Kaolinite (Chalky Clay)

Kaolinite (Al2Si2O5(OH)4)

Chrysocolla and Azurite in Matrix (Hydrated copper phyllosilicate (Chrysocolla - Cu2H2Si2O5(OH)4) and Copper carbonate (Azurite - Cu3(CO3)2(OH)2)) — mineral

Chrysocolla and Azurite in Matrix

Hydrated copper phyllosilicate (Chrysocolla - Cu2H2Si2O5(OH)4) and Copper carbonate (Azurite - Cu3(CO3)2(OH)2)

Limonite (Iron Ore) (Goethite and related iron hydroxides (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Goethite and related iron hydroxides (FeO(OH)·nH2O)

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

Prehnite

Ca2Al(AlSi3O10)(OH)2

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Magnetite Ore (Magnetite (Fe3O4)) — mineral

Magnetite Ore

Magnetite (Fe3O4)

Fluorite (left), Sodalite (middle), Dumortierite/Tumbled Quartzite (right) (Calcium Fluoride (CaF2), Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2), Aluminum Borosilicate (Al7(BO3)(SiO4)3O3)) — mineral

Fluorite (left), Sodalite (middle), Dumortierite/Tumbled Quartzite (right)

Calcium Fluoride (CaF2), Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2), Aluminum Borosilicate (Al7(BO3)(SiO4)3O3)