Turquoise
Hydrated phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)
Category
Browse mineral and organic gemstone specimens identified by the Rock Identifier community.
Turquoise
Hydrated phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)
Amazonite
Amazonite (KAlSi3O8, a variety of Microcline)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Citrine
Citrine (Silicon Dioxide - SiO2)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Amethyst
Amethyst (Silicon Dioxide, SiO2)
Rough Emerald
Beryl (Be3Al2(SiO3)6 with Chromium/Vanadium impurities)
Sunstone
Plagioclase feldspar (with Copper or Hematite inclusions)
Amazonite
Microcline (KAlSi3O8) with lead inclusions
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
Amazonite
Potassium Feldspar (Microcline), K(AlSi3O8)
Amethyst
Amethyst (Silicon Dioxide, SiO2 with Iron impurities)
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
Amazonite
Potassium Feldspar (Microcline), K(AlSi3O8)
Emerald (Rough)
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
Carnelian
Carnelian (a variety of Chalcedony, SiO₂)
Peridot
Olivine (Magnesium Iron Silicate), (Mg, Fe)2SiO4
Peridot (Olivine)
Olivine ((Mg, Fe)2SiO4)
Milky Quartz
Silicon Dioxide (SiO2)
Amazonite
Microcline (KAlSi3O8) with lead trace impurities
Mixed Mineral Collection
Multi-mineral Assemblage (Quartz, Jasper, Obsidian, Pyrite, etc.)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Sunstone
Oligoclase (Plagioclase Feldspar), (Ca,Na)(Al,Si)4O8
Amazonite
Microcline (variety Amazonite), K(AlSi3O8)
Yellow Quartz
Silicon Dioxide (SiO2)
Larimar
Pectolite (NaCa2Si3O[OH])
Dendritic Quartz
Silicon Dioxide (SiO2) with Manganese Oxide inclusions
Titanium Amethyst Geode
Silicon Dioxide (SiO2) with Titanium/Metal Vapor Deposition Layer
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Orange Quartz
Silicon Dioxide (SiO2) with iron inclusions
Amethyst (Geode/Cluster)
Silicon Dioxide (SiO2) with iron impurities
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Chalcedony on Matrix
Silicon Dioxide (SiO2)
Amethyst Geode
Silicon Dioxide with impurities (SiO2)
Turquoise (likely Sleeping Beauty variety or treated Howlite imitation)
Hydrated phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminium phosphate)
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
Labradorite (Gray Tumbled)
Labradorite (Ca,Na)(Al,Si)4O8