Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
Category
Browse mineral (man made glass, not natural) specimens identified by the Rock Identifier community.
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Milky Quartz (with Chlorite/Mineral Inclusions)
Silicon Dioxide (SiO2)
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Sandstone (likely Fossiliferous)
Arenite / Sedimentum arenaceum
Bull Quartz (Milky Quartz)
Quartz (Silicon Dioxide - SiO2)
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
Quartz Vein Rock
Quartz (Silicon Dioxide, SiO2)
Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
Sandstone
Arenite (SiO2 principal component)
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 staining)
Sandstone
Arenite (primarily SiO2)
Red Sandstone
Arenite (Ferruginous Sandstone)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within Metasedimentary or Igneous matrix
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Red Jasper
Silicon dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Yellow Aventurine (Yellow Quartzite)
Silicon Dioxide (SiO2) with inclusions
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 based)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone
Arenite (primarily SiO2)
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
Epidote
Epidote (formula: Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Amethyst
Amethyst (Silicon Dioxide with iron impurities), SiO2
Chalcedony with Druzy Quartz Geode
Silicon Dioxide (SiO2)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Orthoclase Feldspar
KAlSi3O8 (Potassium aluminum silicate)
Quartz (Milky or Smoky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz Pebble (Iron-Stained)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
Pyrite
Iron Sulfide (FeS2)
River Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Feldspar
Potassium Feldspar (KAlSi3O8)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Tumbled Obsidian (possibly Mahogany Obsidian variant)
Volcanic Glass (Amorphous Silicon Dioxide, SiO2)