Rock Identifier

Category

Mineral Specimen

Browse mineral specimen specimens identified by the Rock Identifier community.

Red Jasper (Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions

Graphic Granite (Zebra Rock) (Pegmatitic Granite (composed of Quartz and K-Feldspar)) — igneous

Graphic Granite (Zebra Rock)

Pegmatitic Granite (composed of Quartz and K-Feldspar)

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Cloudy Quartz / Quartz Tumble (Silicon Dioxide (SiO2)) — mineral

Cloudy Quartz / Quartz Tumble

Silicon Dioxide (SiO2)

Red Sandstone (Arenite with Hematite cementation) — sedimentary

Red Sandstone

Arenite with Hematite cementation

Man-made earbud charging case (Not a rock or mineral) (Acrylonitrile Butadiene Styrene (ABS) Plastic with electronic components) — Synthetic/Man-made object

Man-made earbud charging case (Not a rock or mineral)

Acrylonitrile Butadiene Styrene (ABS) Plastic with electronic components

Synthetic/Man-made object

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

Azurite

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

Picture Jasper (Silicon Dioxide (SiO2) with mineral inclusions) — sedimentary

Picture Jasper

Silicon Dioxide (SiO2) with mineral inclusions

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Note: Item is not a geological specimen (Polyester mesh and Ethylene-vinyl acetate (EVA) polymer) — Synthetic / Anthropogenic Material

Note: Item is not a geological specimen

Polyester mesh and Ethylene-vinyl acetate (EVA) polymer

Synthetic / Anthropogenic Material

Wishing Stone (Basalt/Greywacke with Quartz Vein) (Basalt or Siltstone with SiO2 (Quartz) hydrothermal intrusion) — igneous/sedimentary

Wishing Stone (Basalt/Greywacke with Quartz Vein)

Basalt or Siltstone with SiO2 (Quartz) hydrothermal intrusion

igneous/sedimentary

Sandstone (likely Graywacke or Arkose variant) (Clastic Sedimentary Rock (SiO2 with assorted lithic fragments)) — sedimentary

Sandstone (likely Graywacke or Arkose variant)

Clastic Sedimentary Rock (SiO2 with assorted lithic fragments)

Jasper (Jasper (Silica-rich Microcrystalline Quartz, SiO2)) — sedimentary

Jasper

Jasper (Silica-rich Microcrystalline Quartz, SiO2)

Sandstone (Arenite (Siliclastic sedimentary rock)) — sedimentary

Sandstone

Arenite (Siliclastic sedimentary rock)

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Schist (Micaceous Schist) (Schist (containing mainly Muscovite and Quartz)) — metamorphic

Schist (Micaceous Schist)

Schist (containing mainly Muscovite and Quartz)

Sandstone (Banded) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (Banded)

Clastic Sedimentary Rock (primarily SiO2)

Quartz Crystal Cluster (Quartz (Silicon Dioxide, SiO2)) — mineral

Quartz Crystal Cluster

Quartz (Silicon Dioxide, SiO2)

Labradorite (a variety of Anorthosite or Plagioclase) (Labradorite (member of Plagioclase Feldspar series), (Ca,Na)(Al,Si)4O8) — igneous

Labradorite (a variety of Anorthosite or Plagioclase)

Labradorite (member of Plagioclase Feldspar series), (Ca,Na)(Al,Si)4O8

Red Jasper (Jasper (Silicon Dioxide, SiO2)) — mineral

Red Jasper

Jasper (Silicon Dioxide, SiO2)

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)

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

Turquoise

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

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

River Chalcedony / Agate (Chalcedony (Silicon Dioxide, SiO2)) — mineral

River Chalcedony / Agate

Chalcedony (Silicon Dioxide, SiO2)

Labradorite ((Ca, Na)(Al, Si)4O8) — mineral

Labradorite

(Ca, Na)(Al, Si)4O8

Milky Quartz (Quartz (Silicon Dioxide - SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Moss Agate (Chalcedony (SiO2) with inclusions of manganese or iron oxides) — mineral

Moss Agate

Chalcedony (SiO2) with inclusions of manganese or iron oxides

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Quartz (Crystal Cluster) (Silicon Dioxide (SiO2)) — mineral

Quartz (Crystal Cluster)

Silicon Dioxide (SiO2)

Black Kyanite (Kyanite (Al2SiO5) with carbonaceous inclusions) — mineral

Black Kyanite

Kyanite (Al2SiO5) with carbonaceous inclusions

Blue Kyanite in Quartz (Kyanite (Al2SiO5)) — mineral

Blue Kyanite in Quartz

Kyanite (Al2SiO5)

Pyrite in Matrix (likely Quartz or Coal) (Iron Sulfide (FeS2)) — mineral

Pyrite in Matrix (likely Quartz or Coal)

Iron Sulfide (FeS2)

Desert Rose (Gypsum (CaSO4·2H2O) or Barite (BaSO4) with Sand inclusions) — mineral

Desert Rose

Gypsum (CaSO4·2H2O) or Barite (BaSO4) with Sand inclusions

Ferruginous Quartz (Hematoid Quartz) (Silicon Dioxide (SiO2) with Hematite or Goethite inclusions) — mineral

Ferruginous Quartz (Hematoid Quartz)

Silicon Dioxide (SiO2) with Hematite or Goethite inclusions

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (Quartz (Silicon Dioxide - SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Biotite (Black Mica) (Biotite - K(Mg,Fe)3AlSi3O10(F,OH)2) — mineral

Biotite (Black Mica)

Biotite - K(Mg,Fe)3AlSi3O10(F,OH)2

Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Chalcanthite (Likely Synthetic/Lab-Grown) (Hydrated copper(II) sulfate (CuSO4·5H2O)) — mineral

Chalcanthite (Likely Synthetic/Lab-Grown)

Hydrated copper(II) sulfate (CuSO4·5H2O)

Limonite Concretion (Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)) — sedimentary

Limonite Concretion

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