Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral (variety of quartz) specimens identified by the Rock Identifier community.
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Amethyst (rough purple quartz)
Quartz, SiO₂; purple color from trace iron and natural irradiation
Amethyst (rough purple quartz)
Quartz, SiO₂; purple color from trace iron and natural irradiation
Tumbled rose quartz
Quartz, silicon dioxide (SiO₂), rose variety
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Mixed tumbled quartz specimens
Quartz, silicon dioxide (SiO₂), including rose quartz and milky/included varieties
Iron-stained quartz (likely milky quartz)
Quartz, SiO₂, with limonite/goethite surface staining
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz (Pebble)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Gray or Smoky variety)
Silicon Dioxide (SiO2)
Amethyst quartz geode
Quartz, SiO₂; purple coloration from irradiation and trace iron
Leopardite
Quartz porphyry / Quartz monzonite with manganese oxide spots
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Agate (within host rock)
Agate (Quartz variety SiO2)
Amethyst crystal cluster
Quartz, purple variety (SiO₂)
Amethyst fragment
Quartz, purple variety (SiO₂)
Dyed Pink Agate Slice
Cryptocrystalline variety of Quartz (SiO2)
Amethyst
Amethyst (variety of Quartz, SiO2)
Green Aventurine
Aventurine (a variety of Quartz, SiO2)
Amethyst
Amethyst (variety of Quartz, SiO2)
Tumbled rose quartz
Quartz (SiO₂), pink variety
Lake Superior Agate
Quartz (Variety: Agate, SiO2)
Amethyst
SiO2 (Amethyst is a variety of Quartz)