Raw Diamond (Rough Uncut)
Diamond (C - pure carbon)
Category
Browse mineral, jewelry specimens identified by the Rock Identifier community.
Raw Diamond (Rough Uncut)
Diamond (C - pure carbon)
Fluorite (Rainbow, Purple-Blue Tumbled)
Calcium Fluoride (CaF2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Pearl (as a Biogenic Mineral)
Calcium Carbonate (mostly Aragonite) with Conchiolin; CaCO3
Amazonite
K(AlSi3O8) - Potassium Aluminum Silicate
Druzy Quartz (on Chalcedony/Agate base)
Silicon Dioxide (SiO2)
Smoky Quartz in Matrix
Silicon Dioxide (SiO2)
Amazonite
KAlSi3O8 (Potassium Aluminum Silicate)
Sunstone
Oligoclase (Plagioclase Feldspar), (Na,Ca)(Si,Al)4O8
Amethyst (Quartz variety)
Amethyst - SiO2 (Silicon Dioxide with Iron impurities)
Emerald with Matrix (Emerald in Mica Schist)
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
Sunstone
Oligoclase (Plagioclase Feldspar) - (Ca,Na)(Al,Si)4O8 with Hematite or Copper inclusions
Citrine Quartz
Silicon Dioxide (SiO2)
Moonstone (Feldspar)
Orthoclase or Oligoclase (KAlSi3O8)
Pink Thulite (Zoisite)
Ca2Al3(SiO4)3(OH) - Manganese-bearing Zoisite
Sunstone
Plagioclase Feldspar (containing (Ca,Na)(Al,Si)4O8 with Hematite or Copper inclusions)
Citrine
Silicon Dioxide (SiO2)
Amazonite
Potassium Feldspar (Microcline), K(AlSi3O8)
Sparkling Druzy Quartz on Matrix
Silicon Dioxide (SiO2) with iron oxide inclusions
Amethyst
Amethyst (Silicon Dioxide - SiO2 with iron impurities)
Quartz / Citrine Quartz
Silicon Dioxide (SiO2)
Amazonite
Amazonite (KAlSi3O8)
Amethyst
Silicon dioxide / Quartz (SiO2+Fe4+)
Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
Amethyst
Amethyst (Silicon Dioxide, SiO2 with Iron impurities)
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Cubic Zirconia
Zirconium dioxide (ZrO2)
Diamond (set in jewelry)
Diamond (Carbon, C)
Blue Howlite (Dyed)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
Clear Quartz
Silicon Dioxide (SiO2)
Chrysocolla
Hydrated copper phyllosilicate (Cu,Al)2H2Si2O5(OH)4 nH2O
Turquoise in Matrix
Hydrated phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)
Garnet (Almandine)
Almandine, Fe3Al2Si3O12
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Diamond (in jewelry)
Carbon (C)
Diamond (in jewelry)
Diamond (Carbon, C)
Fossilized Shark Tooth
Carcharodon (Galeocerdo sp. or Lamniform)
Prehnite
Prehnite (Ca2Al2Si3O10(OH)2)
Kunzite
Spodumene (LiAlSi2O6)
Turquoise (likely Sleeping Beauty variety or treated Howlite imitation)
Hydrated phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O
Pyrite
Iron Sulfide (FeS2)
Turquoise and Hematite
Turquoise (CuAl6(PO4)4(OH)8·4H2O) and Hematite (Fe2O3)