Rock Identifier

Category

Mineral (Specifically A Mineraloid)

Browse mineral (specifically a mineraloid) specimens identified by the Rock Identifier community.

Learn about Mineral (Specifically A Mineraloid) in the encyclopedia

Shungite

Anatase

Sperrylite

Olenite

Buergerite

Hutcheonite

Celsian

Coal

Glauconite

Rock Salt

Baddeleyite

Talc

White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

Amazonite (Microcline (KAlSi3O8)) — mineral

Amazonite

Microcline (KAlSi3O8)

Amazonite (Microcline (KAlSi3O8)) — mineral

Amazonite

Microcline (KAlSi3O8)

Amazonite (KAlSi3O8 (Potassium Aluminum Silicate)) — mineral

Amazonite

KAlSi3O8 (Potassium Aluminum Silicate)

Amazonite (Microcline (KAlSi3O8 with lead impurities)) — mineral

Amazonite

Microcline (KAlSi3O8 with lead impurities)

Amazonite (Microcline (KAlSi3O8) with lead impurities) — mineral

Amazonite

Microcline (KAlSi3O8) with lead impurities

Amazonite (Microcline (variety of Feldspar), K(AlSi3O8)) — mineral

Amazonite

Microcline (variety of Feldspar), K(AlSi3O8)

Amazonite (Potassium Feldspar (Microcline), K(AlSi3O8)) — mineral

Amazonite

Potassium Feldspar (Microcline), K(AlSi3O8)

Jasper with Purple Fluorite or Chalcedony (Silicon Dioxide (SiO2) with mineral inclusions) — sedimentary

Jasper with Purple Fluorite or Chalcedony

Silicon Dioxide (SiO2) with mineral inclusions

Emerald in Matrix (Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities) — gemstone

Emerald in Matrix

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Granite (Intrusive Igneous Rock (Felsic)) — igneous

Granite

Intrusive Igneous Rock (Felsic)

River Pebble (Gneiss or Granite) (Metamorphic Rock (likely Gneiss or Granitic composition)) — metamorphic

River Pebble (Gneiss or Granite)

Metamorphic Rock (likely Gneiss or Granitic composition)

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

Blue Apatite

Fluorapatite (Ca5(PO4)3(F,Cl,OH))

Quartz in Host Rock (Silicon Dioxide (SiO2)) — mineral

Quartz in Host Rock

Silicon Dioxide (SiO2)

Granite Pebble (Intrusive Igneous Rock) — igneous

Granite Pebble

Intrusive Igneous Rock

Granite / Diorite Xenolith or Contact (Felsic-Mafic Intrusive Igneous Rock) — igneous

Granite / Diorite Xenolith or Contact

Felsic-Mafic Intrusive Igneous Rock

Sandstone (Sedimentary Rock (Quartz Sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Sandstone)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Sedimentary Rock (Quartz Sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Sandstone)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Quartz Sand (Beach Sand) (Silicon Dioxide (SiO2)) — sedimentary

Quartz Sand (Beach Sand)

Silicon Dioxide (SiO2)

Mixed Mineral and Rock Collection (Mixed geological specimens (Quartz, Amethyst, Rose Quartz, Jasper, Epidote, Chert)) — mineral

Mixed Mineral and Rock Collection

Mixed geological specimens (Quartz, Amethyst, Rose Quartz, Jasper, Epidote, Chert)

Clear Quartz (Silicon dioxide (SiO2)) — mineral

Clear Quartz

Silicon dioxide (SiO2)

River Pebble (Grantoid/Quartzite) (Quartz-rich igneous rock (Granitoid)) — igneous

River Pebble (Grantoid/Quartzite)

Quartz-rich igneous rock (Granitoid)

River Pebble (Gneiss/Schist mix) (Metamorphic rock aggregate) — metamorphic

River Pebble (Gneiss/Schist mix)

Metamorphic rock aggregate

Sandstone with Quartz/Calcite druse (Arenite with druse (SiO2 or CaCO3)) — sedimentary

Sandstone with Quartz/Calcite druse

Arenite with druse (SiO2 or CaCO3)

Calcite on Matrix (Calcium Carbonate (CaCO3)) — mineral

Calcite on Matrix

Calcium Carbonate (CaCO3)

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

Diorite

Diorite (intermediate intrusive igneous rock)

Green Aventurine (Silicon Dioxide (SiO2) with Fuchsite inclusions) — mineral

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Eudialyte (Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2) — mineral

Eudialyte

Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2

Granite (Granite) — igneous

Granite

Granite

Quartz-veined Metamorphic Rock (Quartz Vein in Phyllite or Schist (SiO2 in Silicate Matrix)) — metamorphic

Quartz-veined Metamorphic Rock

Quartz Vein in Phyllite or Schist (SiO2 in Silicate Matrix)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Biotite Schist (Biotite-rich Schist [K(Mg,Fe)3AlSi3O10(F,OH)2]) — metamorphic

Biotite Schist

Biotite-rich Schist [K(Mg,Fe)3AlSi3O10(F,OH)2]

Diorite (Diorite (plutonic igneous rock)) — igneous

Diorite

Diorite (plutonic igneous rock)

Pink Thulite (Zoisite) (Ca2Al3(SiO4)3(OH) - Manganese-bearing Zoisite) — mineral

Pink Thulite (Zoisite)

Ca2Al3(SiO4)3(OH) - Manganese-bearing Zoisite

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

Azurite and Malachite

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

Fire Opal (Hydrated Silica (SiO2·nH2O)) — mineral

Fire Opal

Hydrated Silica (SiO2·nH2O)

Almandine Garnet (Almandine (Fe3Al2(SiO4)3)) — gemstone

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

Pegmatite with Tourmaline and Quartz (Igneous Pegmatite) — igneous

Pegmatite with Tourmaline and Quartz

Igneous Pegmatite

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

Clear Quartz Crystal

Silicon Dioxide (SiO2), Quartz