Quartzite
Hydrothermal Quartz or Quartzite (SiO2)
Category
Browse metamorphic, likely sedimentary with quartz veins specimens identified by the Rock Identifier community.
Quartzite
Hydrothermal Quartz or Quartzite (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Red Jasper with Quartz veins
Jasper (Silicon Dioxide, SiO2) with macrocrystalline Quartz veins
Citrine
Silicon Dioxide (SiO2)
Quartz Vein in Sandstone
Sandstone with Hydrothermal Quartz (SiO2)
Quartz (specifically Milky or Clear Quartz)
Silicon Dioxide (SiO2)
Quartz Vein in Host Rock (Gabbro or Basalt)
Silicon Dioxide (SiO2) with Mafic Silicates
Garnet (Almandine/Pyrope series)
Silicate mineral (Almandine: Fe3Al2Si3O12; Pyrope: Mg3Al2Si3O12)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Hematite/Limonite) inclusions
Quartz (Milky or Smoky Quartz)
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Silicon Dioxide with trace inclusions of dumortierite or titanium (SiO2)
Citrine (Yellow Quartz)
Silicon Dioxide (SiO2)
Beryl (likely Aquamarine or Green Beryl)
Beryllium aluminum silicate (Be3Al2Si6O18)
Limonite-stained Quartz
Silicon Dioxide (SiO2) with Iron Oxide/Hydroxide (FeO(OH)·nH2O) staining
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Specular Hematite (Iron Ore)
Iron(III) oxide (Fe2O3)
Yellow Calcite
Calcium Carbonate (CaCO3)
Green Calcite
Calcium Carbonate (CaCO3)
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Blue Sphalerite (likely dyed or treated Druzy Quartz/Agate)
Zinc Sulfide (ZnS) or Silicon Dioxide (SiO2) with trade-name enhancement
Orange Calcite
Calcium Carbonate (CaCO3)
Quartz / Quartzite
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
Sandstone (likely Ferruginous)
Arenite (SiO2 based with Fe2O3/FeO(OH) cement)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Amethyst (Quartz variety)
Silicon Dioxide (SiO2) with iron impurities
Smoky Quartz Cluster
Smoky Quartz (Silicon Dioxide - SiO2)
Yellow Quartz (Citrine or Citrine-colored Quartz)
Silicon Dioxide (SiO2)
Biotite Schist (with Garnet and Pyrite)
K(Mg,Fe)3AlSi3O10(OH,F)2 (Biotite focus)
Quartzite
Quartzite (SiO2)
Sandstone (likely Quartzose Sandstone)
Arenite (primarily SiO2)
Unidentified Rock Fragment
Unknown
Rhodochrosite in Quartz
Manganese Carbonate (MnCO3)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)