Milk Quartz (Vein Quartz)
Quartz (Silicon Dioxide, SiO2)
Category
Browse mineral; variety of quartz specimens identified by the Rock Identifier community.
Milk Quartz (Vein Quartz)
Quartz (Silicon Dioxide, SiO2)
Smoky quartz (small rough fragment)
Quartz, SiO₂; smoky variety
Smoky quartz chips
Quartz, SiO₂ (smoky variety)
Amethyst
Quartz, purple variety — SiO₂
Amethyst
Quartz, SiO₂, purple variety
Yellow Aventurine
Quartz variety (SiO2) with inclusions
Banded Agate
Cryptocrystalline variety of Quartz (SiO2)
Amethyst
Amethyst (variety of Quartz, SiO2)
Green Aventurine
Aventurine (a variety of Quartz, SiO2)
Tumbled amethyst and likely smoky quartz inclusion specimen
Amethyst: purple quartz, SiO₂; left stone appears quartz-rich with brown iron-oxide inclusions, possibly “garden quartz” or included smoky quartz
Quartz (Clear or Milky)
Silicon Dioxide (SiO2)
Tumbled rose quartz
Quartz, silicon dioxide (SiO₂), pink variety
Polished agate slice
Agate, a banded variety of chalcedony (microcrystalline SiO₂)
Brown agate (chalcedony)
Microcrystalline quartz, SiO₂; likely iron-stained chalcedony
Quartz
Silicon Dioxide (SiO2)
Tumbled agate/chalcedony pebble
Microcrystalline quartz (SiO₂), likely brown/banded agate or jasper
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Titanium Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
Red jasper (likely)
Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored by iron oxides
Polished green aventurine point
Quartz (SiO₂), green variety colored mainly by fuchsite inclusions
Polished banded jasper (likely picture jasper)
Microcrystalline quartz, chiefly SiO₂; jasper with iron-oxide staining
Rose quartz
Quartz, silicon dioxide (SiO₂), pink variety
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Tumbled jasper (likely brecciated or red jasper)
Jasper, microcrystalline quartz (SiO₂) with iron-oxide inclusions
Milky Quartz Pebbles
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Amethyst-bearing quartz (rough/tumbled fragment)
Quartz, SiO₂; purple coloration from irradiation and trace iron
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)