Iridescent Ammonite
Ammonoidea (Species: likely Cleoniceras or Desmoceras); Mineral: Aragonite/Ammolite (CaCO3)
Category
Browse mineral, specifically a variety of quartz specimens identified by the Rock Identifier community.
Iridescent Ammonite
Ammonoidea (Species: likely Cleoniceras or Desmoceras); Mineral: Aragonite/Ammolite (CaCO3)
Amethyst
SiO2 (Amethyst is a variety of Quartz)
Amethyst
Amethyst is a variety of Quartz (SiO₂)
Clear Quartz (Rock Crystal)
Quartz (SiO₂)
Jasper with Epidote Vein
Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate (Ca2(Al,Fe)3(SiO4)3(OH))
Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Mineral Inclusions
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky to Clear)
Silicon Dioxide (SiO2)
Amethyst
SiO2 (Silicon Dioxide)
Prase Quartz on Feldspar
Quartz (Silicon Dioxide, SiO2) with Hedenbergite inclusions on Potassium Feldspar (KAlSi3O8)
Quartz (specifically Milky or Clear Quartz)
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Chert (Black Chert/Flint)
Cryptocrystalline Quartz (SiO2)
Citrine
Quartz (SiO2) - variety Citrine
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Quartz (likely a form of massive or vein quartz)
Quartz (SiO₂)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz (Tumbled)
Quartz (Silicon Dioxide, SiO2)
Blue Goldstone
Aventurine Glass (Silicon Dioxide infused with Cobalt/Copper)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Bull Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
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
Quartz (Silicon Dioxide, SiO2)
Onyx
Chalcedony (SiO2) with parallel banding
Blue Chalcedony
Silicon Dioxide (SiO2)
Yellow Quartz
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)