Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Category
Browse mineral (synthetic paper and ink polymorph) specimens identified by the Rock Identifier community.
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Milky Quartz with Mica inclusions
Quartz (Silicon Dioxide, SiO2)
Red Moss Agate or Jasper-Agate
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Drusy/Crystalline)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Orange Calcite point
Calcite (Calcium Carbonate, CaCO3)
Orange Calcite (Banded Calcite)
Calcite (Calcium Carbonate, CaCO3)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Milky/Iron-stained)
Silicon Dioxide (SiO2)
Ferruginous Quartz Cobble
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Baroque Pearl
Biogenic Calcium Carbonate (Aragonite/Conchiolin)
Magnetite (likely in Hematite or Ironstone)
Magnetite (Fe3O4)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Pyrite and Sunstone
Iron Sulfide (FeS2) and Plagioclase Feldspar ((Ca,Na)Al(Al,Si)Si2O8)
One Pound Coin (UK)
Nickel-Brass Alloy (Cu-Zn-Ni)
Aquamarine with Ruby Accent
Beryllium Aluminum Silicate (Be3Al2Si6O18) with Aluminum Oxide (Al2O3)
Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon dioxide (SiO2)
Quartz pebble
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Milky Quartz
Silicon Dioxide (SiO2)
White Moonstone (Feldspar)
Potassium aluminum silicate (KAlSi3O8)
Rhodonite
Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3
Quartz (Druzy)
Silicon Dioxide (SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Spessartine Garnet
Manganese aluminum silicate (Mn2+3Al2(SiO4)3)
Pink Garnet (likely Almandine or Rhodolite)
Garnet Group (Fe3Al2(SiO4)3 to Mg3Al2(SiO4)3)
Kyanite
Kyanite (Al2SiO5)
Clear Quartz
Silicon Dioxide (SiO2)
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate - (Mn,Fe,Mg,Ca)SiO3)
Grey Agate (Tumbled)
Silicon Dioxide (SiO2)
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
Citrine
Silicon Dioxide (SiO2)
Quartz / Citrine Quartz
Silicon Dioxide (SiO2)
Amethyst
Quartz (Silicon Dioxide with iron impurities), SiO2