Botryoidal Quartz / Calcite Geode crust
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
Category
Browse quartz specimens identified by the Rock Identifier community.
Botryoidal Quartz / Calcite Geode crust
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
Gossan (Iron Hat) with Quartz and Chlorite
Limonite/Goethite-rich Gossan (FeO(OH)·nH2O) with inclusions of Quartz and Chlorite
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Quartz Vein on Matrix
Silicon Dioxide (SiO2)
Quartz Vein in Sedimentary Matrix
Silicon Dioxide (SiO2) with host rock
Milky Quartz with Mica (Gneiss/Schist influence)
Silicon Dioxide (SiO2) with Phyllosilicates
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Garden Quartz
Included Quartz (SiO2 with accessory minerals such as Chlorite, Hematite, or Feldspar)
Green Rutilated Quartz
Silicon Dioxide with Actinolite inclusions (SiO2 + Ca2(Mg,Fe)5Si8O22(OH)2)
Lodolite (Garden Quartz)
Silicon Dioxide (SiO2) with inclusions (Chlorite, Hematite, etc.)
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Smoky Quartz
SiO2 (Silicon Dioxide)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Rose Quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz with Iron Stains
Quartz (SiO2) with iron oxide/hydroxide staining
Quartz
Quartz (SiO2 - Silicon Dioxide)
Quartzite
Quartzite (90%+ SiO2)
Smoky Quartz
Smoky Quartz (SiO2)
Ferruginous Quartz (Iron-Stained Quartz)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Tiger's Eye
Tiger's eye (Pseudomorph of Quartz after Crocidolite), SiO2
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite Pebble
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Quartz (likely)
Quartz (SiO2 - Silicon Dioxide)