Pyrite
Iron Disulfide (FeS2)
Category
Browse mineral (refined metal) specimens identified by the Rock Identifier community.
Pyrite
Iron Disulfide (FeS2)
Limonite (Iron Stone/Goethite)
Limonite (mixture of hydrated iron oxides, primarily Goethite: α-FeO(OH))
Hematite
Iron(III) oxide (Fe2O3)
Galena
Lead(II) sulfide (PbS)
Moqui Marbles
Iron Oxide Concretion (Hematite/Goethite)
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Ironstone Concretion (Moqui Marble)
Hematite/Goethite Concretion (Fe2O3 / FeO(OH))
Sunstone
Plagioclase Feldspar (containing (Ca,Na)(Al,Si)4O8 with Hematite or Copper inclusions)
Lapis Lazuli (Tumbled Specimen)
Lapis Lazuli (Aggregate rock containing Lazurite: (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)
Fluorite
Calcium Fluoride (CaF2)
Mica Schist
Schist (Crystalline metamorphic rock)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Orange Calcite
Calcium Carbonate (CaCO3)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Fluorite
Calcium Fluoride (CaF2)
Chondrite Meteorite
Ordinary Chondrite (Fe-Ni alloy, Olivine, Pyroxene)
Silver (Native Silver)
Native Silver (Ag)
Bornite
Bornite (Cu5FeS4)
Green Fluorite
Calcium Fluoride (CaF2)
Fluorite (Green Fluorite)
Calcium Fluoride (CaF2)
Peacock Ore
Bornite (Cu5FeS4)
Gold Nugget
Native Gold (Au)
Pyrite
Iron Sulfide (FeS2)
Moss Agate
Silicon Dioxide (SiO2) with Chlorite/Oxide inclusions
Peacock Ore
Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2) with iridescent tarnish
Limonite / Ironstone Nodule
Limonite (Hydrated iron(III) oxide-hydroxide), FeO(OH)·nH2O
Sunstone
Oligoclase (Plagioclase Feldspar subclass), (Ca,Na)(Al,Si)4O8
Specular Hematite (Specularite)
Iron(III) oxide (Fe2O3)
Rutilated Quartz
Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
Sunstone
Heliolite (Sodium Calcium Aluminum Silicate with Iron or Copper inclusions)
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Pyrite
Iron Sulfide (FeS2)
Sunstone
Aventurine Feldspar (Plagioclase Feldspar with inclusions)
Green Aventurine (Quartz)
SiO2 (Silicon Dioxide with Fuchsite inclusions)