Milky Quartz Pebble
Quartz (Silicon Dioxide - SiO2)
Category
Browse mineral (gemstone variety of beryl) specimens identified by the Rock Identifier community.
Milky Quartz Pebble
Quartz (Silicon Dioxide - SiO2)
Fuchsite
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
Milky Quartz
Silicon Dioxide (SiO2)
White Agate (Chalcedony)
Silicon Dioxide (SiO2)
Tree Agate (Dendritic Agate/Quartz)
Silicon Dioxide (SiO2) with trace Manganese or Iron oxide inclusions
Blue Chalcedony (likely dyed)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Red Jasper
Jasper (Silicon Dioxide with iron oxide inclusions), SiO2
Milky Quartz Pebble
Quartz (Silicon Dioxide - SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Halite (Rock Salt)
Halite (Sodium Chloride, NaCl)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Sunstone
Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Moonstone (specifically Cat's Eye or Gray Moonstone)
Orthoclase (Potassium Aluminum Silicate) with the formula (K,Na)AlSi3O8
Chert (often called Flint or Chalcedony Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Amethyst
Amethyst (Silicon Dioxide - SiO2 with ferric iron impurities)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Prase or Green Quartz
Silicon Dioxide (SiO2 with actinolite or chlorite inclusions)
Amethyst (Quartz)
Silicon Dioxide (SiO2) with iron impurities
Amethyst
Silicon Dioxide (SiO2) with Iron impurities
Citrine Quartz
Silicon Dioxide (SiO2)
Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Clear Quartz Cluster
Silicon Dioxide (SiO2)
Tiger's Eye
Silicon Dioxide (SiO2) with iron oxide inclusions
Black Sapphire (Basaltic Blue Sapphire)
Corundum (Al2O3)
Smoky Quartz
Silicon Dioxide (SiO2)
Larimar
Pectolite (NaCa2Si3O8(OH))
Amethyst
Silicon dioxide (SiO2) with iron impurities
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Tiger's Eye
Pseudomorph of quartz after crocidolite (SiO2 with iron oxide inclusions)
Citrine (likely Heat-Treated Amethyst)
Silicon Dioxide (SiO2)
Jasper with Quartz inclusions
Silicon Dioxide (SiO2) - Microcrystalline Chalcedony
Sapphire (Raw/Rough)
Corundum (Al2O3)
Blue Sphalerite (likely dyed or treated Druzy Quartz/Agate)
Zinc Sulfide (ZnS) or Silicon Dioxide (SiO2) with trade-name enhancement
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
Precious Opal
Hydrated Silica (SiO2·nH2O)
Turquoise
Hydrated phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O
Agate (specifically Carnelian Agate or Lake Superior style Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Bull Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Turquoise (Green variety)
Hydrous phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O