Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Mineral And Glass
Browse mineral and glass specimens identified by the Rock Identifier community.
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral with metamorphic or sedimentary host
Quartz vein in metamorphic rock
Crystalline Silicon Dioxide (SiO2) in Host Rock
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Rose Quartz (SiO2 with inclusions of Dumortierite)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
metamorphic
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Granite
Granite (Felsic Plutonic Rock)
igneous
Milky Quartz (river pebble)
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Orbicular Jasper (Ocean Jasper variant)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Granite
Phaneritic Plutonic Rock (High Silica content)
igneous
Strawberry Quartz (Lepidocrosite/Hematite-Included Quartz)
Quartz (Silicon Dioxide) with Lepidocrosite or Hematite inclusions (SiO2 + Fe2O3 · nH2O)
mineral
Libyan Desert Glass
Libyan Desert Glass (SiO2 with trace elements)
mineral (impactite)
Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
mineral
Sandstone
Arenite
sedimentary
Sandstone (Painted)
Arenite (primarily SiO2)
sedimentary
Sandstone (Ferruginous)
Arenite (Fe2O3 rich)
sedimentary
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Clear Quartz
Silicon dioxide (SiO2)
mineral
Peridot (Olivine)
Olivine, (Mg, Fe)2SiO4
mineral
Sandstone (Quartzite-rich Pebble)
Arenite (composed primarily of SiO2)
sedimentary
Chert (Flint Pebbles)
Microcrystalline quartz (SiO2)
sedimentary
Chert (and/or River Pebble)
Microcrystalline quartz (SiO2)
sedimentary
Black Obsidian
Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide)
igneous
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
mineral
Chert (Jasper)
Microcrystalline Quartz (SiO2) with Iron Oxide impurities
sedimentary
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Chert Pebble)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Chert (with Quartz Veining)
Microcrystalline Quartz (SiO2)
sedimentary
Sandstone (with Limonite staining)
Arenite (FeOx-rich)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
Mineral / Sedimentary component
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with iron oxide Fe2O3 cement)
sedimentary
Sandstone
Arenite
sedimentary
Sandstone
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Quartz (Beach Pebble)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Mica (Gneiss/Schist influence)
Silicon Dioxide (SiO2) with Phyllosilicates
igneous/metamorphic
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz Sphere
Quartz (Silicon Dioxide, SiO2)
mineral