Quartz (Milky or Pink-tinged)
Silicon Dioxide (SiO2)
mineral
Category
Mineral And Glass
Browse mineral and glass specimens identified by the Rock Identifier community.
Rough Sapphire
Corundum (Al2O3)
mineral
Milky Quartz (Crystal Cluster)
Silicon Dioxide (SiO2) - Quartz Variety
mineral
Aragonite Star Cluster
Aragonite (Sputnik habit) - CaesarCO3
mineral
Citrine (Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Yellow Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Ferruginous Quartz
Quartz (Silicon Dioxide, SiO2) with Iron Oxides
mineral
Quartz / Vein Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
White Quartz (Milky Quartz)
Quartz (Silicon Dioxide, SiO2)
mineral
Clear Quartz (Double Terminated)
Silicon Dioxide (SiO2)
mineral
Quartz Cobble (with Iron Staining)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz vein fragment)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Beach Pebble (likely Quartz or Chalcedony)
Silicon Dioxide (SiO2)
Mineral
Amethyst (Chevron/Dream Amethyst)
Silicon Dioxide (SiO2) with iron impurities
mineral
Mookaite Jasper
Radiolarite (Chert/Jasper variety), formula SiO2
sedimentary
Quartz / Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (specifically Rose or Smoky tinted Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or Clear variety)
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Banded Agate (specifically Carnelian Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Aquamarine
Beryl (Be3Al2Si6O18 with trace Fe2+)
mineral
Quartz / Quartzite
Quartz (Silicon Dioxide, SiO2)
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Green Aventurine
Silicon Dioxide (Quartz) with inclusions (SiO₂)
Mineral
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Mookaite Jasper
Radiolarite (Silicon Dioxide, SiO2)
sedimentary
Quartz (Water-worn Pebble)
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Granodiorite Pebble
Granodiorite (containing Quartz, Plagioclase Feldspar, and Biotite/Amphibole)
igneous
Granular Sandstone
Arenite (variable composition, primarily SiO2)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Celestite (Celestine)
Strontium Sulfate (SrSO4)
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral