Rock Identifier

Category

Mineral, Jewelry

Browse mineral, jewelry specimens identified by the Rock Identifier community.

Yellow Jasper (Chert variant) (Silicon Dioxide (SiO2) with iron inclusions) — sedimentary

Yellow Jasper (Chert variant)

Silicon Dioxide (SiO2) with iron inclusions

sedimentary
Jasper Breccia (Silicon Dioxide (SiO2) - Brecciated Microcrystalline Quartz) — sedimentary

Jasper Breccia

Silicon Dioxide (SiO2) - Brecciated Microcrystalline Quartz

sedimentary
Greenstone (Greenschist-facies basaltic rock) — metamorphic

Greenstone

Greenschist-facies basaltic rock

metamorphic
Rhodochrosite (Manganese carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese carbonate (MnCO3)

mineral
Dendritic Agate (or Dendritic Opal) (SiO2 (for Agate), SiO2·nH2O (for Opal)) — Mineral

Dendritic Agate (or Dendritic Opal)

SiO2 (for Agate), SiO2·nH2O (for Opal)

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

Milky Quartz

Silicon Dioxide (SiO2)

mineral
Super Seven (Melody Stone) (Quartz with inclusions (Amethyst, Cacoxenite, Goethite, Lepidocrosite, Rutile, Smoky Quartz, and Clear Quartz)) — mineral

Super Seven (Melody Stone)

Quartz with inclusions (Amethyst, Cacoxenite, Goethite, Lepidocrosite, Rutile, Smoky Quartz, and Clear Quartz)

mineral
Quartz (with iron oxide staining) (Silicon Dioxide (SiO2)) — mineral

Quartz (with iron oxide staining)

Silicon Dioxide (SiO2)

mineral
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

mineral
Agate (Agate (Silicon Dioxide, SiO2)) — mineral

Agate

Agate (Silicon Dioxide, SiO2)

mineral
Spinel (Magnesium Aluminum Oxide (MgAl2O4)) — mineral

Spinel

Magnesium Aluminum Oxide (MgAl2O4)

mineral
Carnelian Agate (Carnelian (Chalcedony / Silicon Dioxide SiO2)) — mineral

Carnelian Agate

Carnelian (Chalcedony / Silicon Dioxide SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

mineral
Moonstone (Orthoclase feldspar ((K,Na)AlSi3O8)) — mineral

Moonstone

Orthoclase feldspar ((K,Na)AlSi3O8)

mineral
Moonstone (Orthoclase Feldspar) (Orthoclase (KAlSi3O8) with Albite (NaAlSi3O8)) — mineral

Moonstone (Orthoclase Feldspar)

Orthoclase (KAlSi3O8) with Albite (NaAlSi3O8)

mineral
Milky Quartz (Silicon dioxide (SiO2)) — mineral

Milky Quartz

Silicon dioxide (SiO2)

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

Red Jasper

Silicon Dioxide (SiO2)

sedimentary
Tiger's Eye (Blue/Golden mix) (Pseudomorph of Quartz after Crocidolite (SiO2)) — metamorphic

Tiger's Eye (Blue/Golden mix)

Pseudomorph of Quartz after Crocidolite (SiO2)

metamorphic
Carnelian (Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Carnelian (Chalcedony)

Silicon Dioxide (SiO2)

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

Almandine Garnet

Fe3Al2(SiO4)3

mineral
Picture Jasper (Silicified sedimentary or volcanic rock (primarily SiO2)) — sedimentary

Picture Jasper

Silicified sedimentary or volcanic rock (primarily SiO2)

sedimentary
Schist (Schist (various mineral compositions)) — Metamorphic

Schist

Schist (various mineral compositions)

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

Labradorite

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

mineral
Sodalite (Dotted or Spotted Variety) (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite (Dotted or Spotted Variety)

Sodalite (Na8(Al6Si6O24)Cl2)

mineral
Amethyst (Silicon Dioxide (SiO2) with trace Iron (Fe) impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with trace Iron (Fe) impurities

mineral
Carnelian (Carnelian (Silicon Dioxide, SiO2)) — mineral

Carnelian

Carnelian (Silicon Dioxide, SiO2)

mineral
Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

mineral
Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with iron impurities

mineral
Beryl (Emerald Variety) (Beryllium Aluminum Silicate (Be3Al2(SiO3)6)) — mineral

Beryl (Emerald Variety)

Beryllium Aluminum Silicate (Be3Al2(SiO3)6)

mineral
Quartz (specifically Milky or Clear Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (specifically Milky or Clear Quartz)

Silicon Dioxide (SiO2)

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

Labradorite

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

mineral
Sodalite (Sodalite (Na8Al6Si6O24Cl2)) — Mineral

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

Mineral
Rose Quartz (SiO2 (Silicon Dioxide)) — mineral

Rose Quartz

SiO2 (Silicon Dioxide)

mineral
Fire Agate (SiO2 (Silicon Dioxide with Iron Oxide inclusions)) — mineral

Fire Agate

SiO2 (Silicon Dioxide with Iron Oxide inclusions)

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

Smoky Quartz

Silicon Dioxide (SiO2)

mineral
Amethyst (Silicon Dioxide with Iron impurities (SiO2)) — mineral

Amethyst

Silicon Dioxide with Iron impurities (SiO2)

mineral
Larimar (Blue Pectolite (NaCa2Si3O8(OH))) — mineral

Larimar

Blue Pectolite (NaCa2Si3O8(OH))

mineral
Quartz Crystal (specifically a small Clear Quartz point) (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal (specifically a small Clear Quartz point)

Silicon Dioxide (SiO2)

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

Prehnite

Prehnite (Ca2Al(AlSi3O10)(OH)2)

Mineral
Arfvedsonite in Matrix (Arfvedsonite [Na3(Fe2+)4Fe3+Si8O22(OH)2]) — mineral

Arfvedsonite in Matrix

Arfvedsonite [Na3(Fe2+)4Fe3+Si8O22(OH)2]

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

Smoky Quartz

Silicon Dioxide (SiO2)

mineral