Sandstone (specifically Arkose or Ferruginous Sandstone)
Sandstone (SiO2 predominant)
Category
Browse mineral (specifically a variety of quartz) specimens identified by the Rock Identifier community.
Sandstone (specifically Arkose or Ferruginous Sandstone)
Sandstone (SiO2 predominant)
Sandstone
Arenite (specifically Iron-stained Quartz Sandstone)
Chalcedony with Quartz
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Pink Granite
Granite (Phaneritic Acidic Igneous Rock)
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Dalmatian Stone
Dalmatian Stone (a variety of aplite)
Granite
Phaneritic plutonic rock (approx. 20-60% quartz, 35-90% feldspar)
White Quartz
Silicon Dioxide (SiO2)
Banded Agate (specifically Botswana or Apricot Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Citrine
Silicon Dioxide (SiO2)
Hematite
Hematite (Fe2O3)
Green Chalcedony (likely Green Agate or Chrysoprase)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Quartz Mineral
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Jasper Agate (specifically Brecciated Jasper with Agate inclusions)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
Tiger's Eye (specifically Hawk's Eye or Multicolored Tiger's Iron)
Silicon Dioxide with Crocidolite inclusions (SiO2)
Citrine
Citrine (Silicon Dioxide - SiO2)
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)
Rose Quartz
Silicon Dioxide (SiO2)
Turquoise (Rough Specimens)
Hydrous phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O
Agate (specifically crazy lace agate / orbicular agate node)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Yellow Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Orange/Pink variety)
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Dalmatian Stone
Dalmatian Stone (a fine-grained igneous rock, often misidentified as Dalmatian Jasper)
Cloudy Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Crazy Lace Agate
Chalcedony (SiO2)