Rock Identifier

Category

Mineral And Glass

Browse mineral and glass specimens identified by the Rock Identifier community.

Milky Quartz (Tumbled Pebble) (Silicon Dioxide (SiO2)) — mineral

Milky Quartz (Tumbled Pebble)

Silicon Dioxide (SiO2)

Lepidolite (Lepidolite (K(Li,Al)3(Al,Si)4O10(F,OH)2)) — mineral

Lepidolite

Lepidolite (K(Li,Al)3(Al,Si)4O10(F,OH)2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

White Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

White Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (River Pebble) (Silicon Dioxide (SiO2)) — Mineral

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

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

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Iron-Stained Quartz Pebble (Silicon Dioxide (SiO2) with Iron Oxide (Limonite/Goethite) inclusions) — mineral

Iron-Stained Quartz Pebble

Silicon Dioxide (SiO2) with Iron Oxide (Limonite/Goethite) inclusions

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

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

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

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

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Dragon Blood Jasper (Epidote-rich Quartzite (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))) — metamorphic

Dragon Blood Jasper

Epidote-rich Quartzite (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))

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

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Golden Quartz (Citrine or Iron-stained Quartz) (Silicon Dioxide (SiO2)) — mineral

Golden Quartz (Citrine or Iron-stained Quartz)

Silicon Dioxide (SiO2)

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

Quartz (Milky or Clear Quartz fragment)

Silicon Dioxide (SiO2)

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

Clear Quartz Crystal

Quartz (Silicon Dioxide, SiO2)

Blue Sapphire (Corundum (Al2O3 - Aluminum Oxide)) — mineral

Blue Sapphire

Corundum (Al2O3 - Aluminum Oxide)

River Stone (likely Mudstone or Siltstone) (Lutite (Clastic sedimentary rock composed of clay and silt-sized particles)) — sedimentary

River Stone (likely Mudstone or Siltstone)

Lutite (Clastic sedimentary rock composed of clay and silt-sized particles)

Granite Pebble (Salt and Pepper Granite) (Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Biotite/Amphibole)) — igneous

Granite Pebble (Salt and Pepper Granite)

Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Biotite/Amphibole)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Amethyst

Amethyst (Silicon Dioxide, SiO2 with Iron impurities)

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

Milky Quartz Pebbles

Silicon Dioxide (SiO2)

Chalcedony (Botryoidal Agate) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Botryoidal Agate)

Silicon Dioxide (SiO2)

Smoky Quartz (with Iron Oxidation) (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz (with Iron Oxidation)

Silicon Dioxide (SiO2)

Yellow Quartz Pebble (Crystalline Silicon Dioxide (SiO2)) — mineral

Yellow Quartz Pebble

Crystalline Silicon Dioxide (SiO2)

Carnelian Agate (Silicon Dioxide (SiO2) with Iron Oxide impurities) — mineral

Carnelian Agate

Silicon Dioxide (SiO2) with Iron Oxide impurities

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Quartz (Chert/Chalcedony variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Chert/Chalcedony variety)

Silicon Dioxide (SiO2)

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

Chalcedony (Agate/Carnelian type)

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Ferruginous Quartz (Quartz with Iron Oxide inclusions (SiO2 + Fe2O3)) — mineral

Ferruginous Quartz

Quartz with Iron Oxide inclusions (SiO2 + Fe2O3)

Fluorite and Rose Quartz (Fluorite (CaF2), Rose Quartz (SiO2)) — Mineral

Fluorite and Rose Quartz

Fluorite (CaF2), Rose Quartz (SiO2)

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

Amethyst

Amethyst (Silicon Dioxide - SiO2 with Iron impurities)