Quartz (possibly Citrine or Smoky Quartz variety)
Silicon Dioxide (SiO2)
Category
Browse man made mineral simulant (glass) specimens identified by the Rock Identifier community.
Quartz (possibly Citrine or Smoky Quartz variety)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Obsidian (black volcanic glass)
Obsidian; primarily amorphous SiO₂-rich rhyolitic glass
Chert (Quartz Variety)
Microcrystalline Silicon Dioxide (SiO2)
Chert / River Pebble
Cryptocrystalline Quartz (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Iron-rich quartzite or weathered ironstone
Quartzite dominated by quartz (SiO₂), with iron oxides/hydroxides such as hematite and goethite
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Granite (Weathered)
Phaneritic Felsic Igneous Rock
Chert (Flint)
Chert (Microcrystalline or cryptocrystalline Quartz, SiO2)
Weathered agate or chalcedony nodule
Microcrystalline quartz (SiO₂), likely agate/chalcedony with iron-oxide staining
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Tumbled amethyst
Quartz, crystalline silicon dioxide (SiO₂), purple variety colored mainly by iron impurities and irradiation
Pink Granite
Phaneritic intrusive igneous rock (K-feldspar rich)
Quartz Pebble
Silicon Dioxide (SiO2)
Polished red jasper beads
Jasper, microcrystalline quartz (SiO₂), colored mainly by iron oxides
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky or Cloudy)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Smoky/Grey Quartz Variant)
Silicon Dioxide (SiO2)
Quartz (Microcrystalline/Gravel)
Silicon Dioxide (SiO2)
Quartz (Clear/Crystalline)
Silicon Dioxide (SiO2)
Quartz Grain
Silicon Dioxide (SiO2)
Quartzite with inclusions or a banded chert
Quartzite or Chert
Quartz
Silicon Dioxide (SiO2)
Quartz (Microcrystalline Fragment)
Silicon Dioxide (SiO2)
Quartz geode or druzy quartz specimen
Quartz, silicon dioxide (SiO₂), likely microcrystalline/drusy quartz coating a host rock
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Vug / Druzy Quartz
Silicon Dioxide (SiO2)
Quartz Boulder
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Milky Quartz
SiO2 (Silicon Dioxide)
Quartz pebble
Silicon dioxide (SiO2)