Blue Quartzite
Blue Quartzite (Primary mineral: Quartz, SiO2 with magnesio-riebeckite or crocidolite inclusions)
Category
Browse mineral (variant of quartz) specimens identified by the Rock Identifier community.
Blue Quartzite
Blue Quartzite (Primary mineral: Quartz, SiO2 with magnesio-riebeckite or crocidolite inclusions)
Gneiss
Gneiss (High-grade regional metamorphic rock)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Tumbled/Polished Pebble)
Silicon Dioxide (SiO2)
Basalt with Quartz Vein
Mafic Igneous Rock (SiO2 filling)
Giallo Ornamental Granite
Phaneritic Igneous Rock (composed of Quartz, Feldspar, and Mica)
Milky Quartz
Silicon Dioxide (SiO2)
Citrine Geode (or Druzy Citrine)
Silicon Dioxide (SiO₂) - a variety of Quartz
Green Rutilated Quartz
Silicon Dioxide with Actinolite inclusions (SiO2 + Ca2(Mg,Fe)5Si8O22(OH)2)
Milky Quartz Pebble with Chert
Silicon Dioxide (SiO2)
Chrysocolla (with Quartz and Azurite)
Hydrated copper phyllosilicate mineral [Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O)]
Granite
Granite (Felsic Intrusive Igneous Rock)
Sandstone (likely with Quartz Veining)
Arenite (primarily SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz / Quartzite)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide - SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Rose Quartz (SiO2)
White Quartz (Carved or Tumbled)
Silicon Dioxide (SiO2)
Botryoidal Chalcedony (Agate/Carnelian)
Chalcedony (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine-colored Quartz)
Silicon Dioxide (SiO2)
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Silicon dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz Geode Fragment
Silicon Dioxide (SiO2)
Quartz (Milky or Druzy Quartz)
Silicon Dioxide (SiO2)
Quartz (specifically Milky Quartz/Quartzite)
Silicon Dioxide (SiO2)
Granite Pebble
Granite
Quartz Vein in Host Rock (Gossanous Matrtix)
Silicon Dioxide (SiO2) with iron oxides (Limonite/Hematite)
Quartz Pebble
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Sandstone with Quartz Vein
Arenite with Quartz (SiO2) Infilling
Granite
Phaneritic Igneous Rock (Granite)