Peacock Ore (Bornite or Iridescent Chalcopyrite)
Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2) with tarnish
Category
Browse mineral (man modified) specimens identified by the Rock Identifier community.
Peacock Ore (Bornite or Iridescent Chalcopyrite)
Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2) with tarnish
Azurite
Azurite (Cu3(CO3)2(OH)2)
Pink Amethyst Geode
Silicon Dioxide (SiO2) with Hematite/Iron impurities
Milky Quartz / Rose Quartz fragment
Silicon Dioxide (SiO2)
Pink Quartz / Rose Quartz
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Pearl
Calcium Carbonate (Aragonite) with Conchiolin; formula: CaCO3
Milky Quartz
Silicon Dioxide (SiO2)
Pink Chalcedony
Silicon Dioxide (SiO2)
Jasper
Silicon Dioxide (SiO2) with impurities
Red Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz with iron inclusions
Milk Quartz (or Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz with Mineral Inclusions
Silicon Dioxide (SiO2)
Rose Quartz
Pink Quartz (SiO2)
Pyrite
Iron Disulfide (FeS2)
Red Garnet (Almandine-Pyrope series)
Garnet Group, Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)
Amber
Succinite (specifically Baltic Amber) - Formula: C10H16O (approximate)
Eclogite
Eclogite (Omphacite + Almandine-Pyrope Garnet)
Basalt with Weathering Crust
Extrusive mafic volcanic rock
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz (Microcrystalline/Chert)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Satin Spar (often marketed as Selenite)
Fibrous Gypsum (CaSO4·2H2O)
Calcite with iron staining
Calcium Carbonate (CaCO3)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz Geode (Cracked Open)
Quartz (Silicon Dioxide - SiO2)
White Quartz (Milky Quartz Pebble)
Silicon Dioxide (SiO2)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Quartz (specifically Clear Quartz or Rock Crystal)
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz Pebbles)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz / Iron-Stained Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions/staining
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)