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

Porphyritic basalt (likely amygdaloidal basalt) (Basalt, a mafic volcanic rock; composition typically plagioclase + pyroxene, with possible olivine and vesicle-filling minerals) — igneous

Porphyritic basalt (likely amygdaloidal basalt)

Basalt, a mafic volcanic rock; composition typically plagioclase + pyroxene, with possible olivine and vesicle-filling minerals

Sandstone (Quartz Arenite / Clastic Sedimentary Rock) — sedimentary

Sandstone

Quartz Arenite / Clastic Sedimentary Rock

Green Fluorite (Calcium Fluoride (CaF2)) — mineral

Green Fluorite

Calcium Fluoride (CaF2)

Sandstone (likely Arkosic or Quartzose) (Arenite (SiO2 based with mineral inclusions)) — sedimentary

Sandstone (likely Arkosic or Quartzose)

Arenite (SiO2 based with mineral inclusions)

Rodonite (Rhodonite (MnSiO3)) — mineral

Rodonite

Rhodonite (MnSiO3)

Siltstone / Slate (Siltstone / Low-grade Slate) — sedimentary

Siltstone / Slate

Siltstone / Low-grade Slate

River Pebble (Siltstone / Fine-grained Sandstone) (Sedimentary Pebble (Siliclastic)) — sedimentary

River Pebble (Siltstone / Fine-grained Sandstone)

Sedimentary Pebble (Siliclastic)

Red Sandstone (Arenite (with Iron Oxide)) — sedimentary

Red Sandstone

Arenite (with Iron Oxide)

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

Turquoise

Turquoise (CuAl6(PO4)4(OH)8·4H2O)

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

Red Sandstone

Sandstone (mainly SiO2 with Iron Oxide cement)

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

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

Pyrite on Quartz

Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)

Azurite (Azurite (Cu3(CO3)2(OH)2)) — mineral

Azurite

Azurite (Cu3(CO3)2(OH)2)

Beryllonite (Beryllonite (NaBePO4)) — mineral

Beryllonite

Beryllonite (NaBePO4)

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

Turquoise

Turquoise, CuAl6(PO4)4(OH)8·4H2O

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]

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Shale with Iron Staining (Fissile Argillaceous Sedimentary Rock) — sedimentary

Shale with Iron Staining

Fissile Argillaceous Sedimentary Rock

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

Sandstone (Ferruginous)

Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)

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)

Obsidian (Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide)) — Igneous

Obsidian

Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide)

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)

Serpentinite (Serpentinite (composed primarily of Serpentine group minerals, e.g., Antigorite, Lizardite, Chrysotile)) — metamorphic

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals, e.g., Antigorite, Lizardite, Chrysotile)

Greenstone / Serpentinite (Serpentinite (composed primarily of minerals from the serpentine group Mg3Si2O5(OH)4)) — metamorphic

Greenstone / Serpentinite

Serpentinite (composed primarily of minerals from the serpentine group Mg3Si2O5(OH)4)

Fluorite (Purple variety) (Calcium Fluoride (CaF2)) — mineral

Fluorite (Purple variety)

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

Sedimentary Pebble (Sedimentary Rock Fragment) — sedimentary

Sedimentary Pebble

Sedimentary Rock Fragment

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Tumbled ocean jasper or orbicular jasper (Microcrystalline quartz (SiO₂), commonly with chalcedony, feldspar, and iron-oxide inclusions) — mineral

Tumbled ocean jasper or orbicular jasper

Microcrystalline quartz (SiO₂), commonly with chalcedony, feldspar, and iron-oxide inclusions

Breccia (Breccia (Sedimentary Clastic Rock)) — sedimentary

Breccia

Breccia (Sedimentary Clastic Rock)

Banded Sandstone (Clastic Sedimentary Rock (Quartz Arenite)) — sedimentary

Banded Sandstone

Clastic Sedimentary Rock (Quartz Arenite)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

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

Diorite

Diorite (intermediate intrusive igneous rock)

Sandstone (Sedimentary Rock (Quartz arenite/Arkose)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite/Arkose)

Tourmalinated Quartz / Tourmaline in Matrix (Silicate mineral group (Schorl / Quartz)) — mineral

Tourmalinated Quartz / Tourmaline in Matrix

Silicate mineral group (Schorl / Quartz)

Blue Lace Agate (Tumbled) (Silicon Dioxide (SiO2) with trace minerals) — mineral

Blue Lace Agate (Tumbled)

Silicon Dioxide (SiO2) with trace minerals

Included Quartz (Garden Quartz / Lodolite) (Quartz (SiO2) with various mineral inclusions) — Mineral

Included Quartz (Garden Quartz / Lodolite)

Quartz (SiO2) with various mineral inclusions

Moss Agate (Silicon Dioxide (SiO2) with mineral inclusions) — Mineral

Moss Agate

Silicon Dioxide (SiO2) with mineral inclusions

Moss Agate (Silicon dioxide (SiO2) with mineral inclusions) — Mineral

Moss Agate

Silicon dioxide (SiO2) with mineral inclusions

Beryl (Emerald variety in host rock) (Be3Al2(SiO3)6 (Silicate mineral)) — mineral

Beryl (Emerald variety in host rock)

Be3Al2(SiO3)6 (Silicate mineral)

Schist (Chlorite/Mica Schist) — metamorphic

Schist

Chlorite/Mica Schist