Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Category
Browse mineral, specifically a variety of quartz specimens identified by the Rock Identifier community.
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz with Matrix
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Smoky Quartz
Smoky Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Amethyst cluster
Quartz (SiO₂), purple variety colored mainly by iron impurities and irradiation
Quartz (likely Rose Quartz or Milky Quartz)
Silicon Dioxide (SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert
Siliceous sedimentary rock (predominantly microcrystalline quartz, SiO2)
Tumbled carnelian (orange chalcedony)
Carnelian, a microcrystalline variety of quartz; SiO₂, commonly colored by iron oxides
Citrine
Silicon Dioxide (SiO2)
Smoky Quartz (with Iron Inclusions)
Silicon Dioxide (SiO2)
Amethyst
Amethyst (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite or Limonite inclusions
Green Quartz (Aventurine or Prase)
Silicon Dioxide (SiO2) with inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Iron Inclusion
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Jasper (likely Kambaba or Crocodile Jasper variety)
Silicon Dioxide (SiO2) with inclusions
Blue Lace Agate
Chalcedony (SiO2) with trace minerals
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
Chert / Jasper
Microcrystalline Quartz (SiO2)
Banded Agate (Onyx type)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Emerald
Beryl (Be3Al2Si6O18), specifically the green variety colored by chromium or vanadium
Tumbled chalcedony (likely milky agate)
Microcrystalline quartz, SiO₂ (chalcedony)
Dream Amethyst (Chevron Amethyst)
Silicon Dioxide (SiO2) with iron impurities and gamma radiation exposure
Green Aventurine
Quartz with fuchsite inclusions (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Quartz with Iron Staining
Silicon Dioxide (SiO2)
Chert (Flint) Nodule
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Agate and Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (Flint) with Limestone Matrix
Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Chert (or Flint)
SiO2 (predominantly microcrystalline quartz)
Chert (Flint)
Chert (SiO2)
Fuchsite
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
Biotite on Quartz
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2) and Quartz (SiO2)