Aquamarine
Beryl (Be₃Al₂Si₆O₁₈)
Category
Browse mineral (synthetic glass) specimens identified by the Rock Identifier community.
Aquamarine
Beryl (Be₃Al₂Si₆O₁₈)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Citrine
Citrine (Silicon Dioxide - SiO2)
Bull Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Tiffany Stone
Fluorite Opal (a complex mix of Fluorite, Opal, Calcite, Dolomite, Quartz, and Bertrandite)
Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)
White Quartz (Tumbled)
Silicon Dioxide (SiO2)
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
SiO2 (Silicon Dioxide)
Rose 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)
Quartz on Matrix
Silicon Dioxide (SiO2)
Druzy Quartz
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine/Yellow Jasper mix)
Silicon Dioxide (SiO2) with iron oxide inclusions
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble (Water-worn)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon dioxide (SiO2)
Citrine
Silicon dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Botryoidal Chalcedony
Silicon Dioxide (SiO2)
Chalcedony (Common Opal variant)
Silicon dioxide (SiO2) with microcrystalline structure
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Quartz (Chert/Chalcedony Variety)
Silicon Dioxide (SiO2)
Iron-stained Milky Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Cubic Zirconia (Simulated Garnet)
Zirconium Dioxide (ZrO2)
Quartz (Smoky/Milky variant)
Silicon Dioxide (SiO2)
Banded Agate (Dyed Purple)
Agate (Variety of Chalcedony/Quartz), SiO2
Chert (with Limestone matrix)
Silicon dioxide (SiO2)
Sandstone
Arenite (SiO2 primarily)
Sandstone (with potential fossil inclusions)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite
Marble (Calcitic)
Metamorphosed Limestone (CaCO3)
Granitic Pegmatite
Granite Pegmatite (principally KAlSi3O8, SiO2, and KAl2(AlSi3O10)(OH)2)
Red Sandstone
Arenite (Fe2O3 rich)
Sandstone (Quartzose)
Arenite (composed mainly of SiO2)