Green Fluorite
Calcium Fluoride (CaF2)
mineral
Category
Mineral (Refined Metal)
Browse mineral (refined metal) specimens identified by the Rock Identifier community.
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Pyrite Sun
Iron Sulfide (FeS2)
mineral
Mixed Mineral Assortment (Pyrite, Kyanite, Agate, Jasper)
FeS2 (Pyrite), Al2SiO5 (Kyanite), SiO2 (Agate/Jasper)
mineral
Fluorite
Calcium fluoride (CaF2)
mineral
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
mineral
Limonite / Goethite (Ironstone)
Hydrated Iron(III) Oxide-Hydroxide FeO(OH)wnH2O
sedimentary
Stainless Steel Spoon
Iron-Chromium Alloy (Fe + Cr + Ni)
mineral-based human-made alloy
Fluorite
Calcium Fluoride (CaF2)
mineral
Peacock Ore
Bornite (Cu5FeS4)
mineral
Mica Schist
Schist (biotite/muscovite schist)
metamorphic
Magnetite or Hematite Nodule
Iron Oxide (Fe3O4 or Fe2O3)
mineral
Copper Ore Specimen with Malachite
Cuprite, Malachite, and Limonite matrix
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
mineral
Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
mineral
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
mineral
Sunstone
Feldspar (variety Oligoclase or Labradorite), (Ca,Na)(Al,Si)4O8
mineral
Pyrite (on the right) and Magnetite or Hematite (on the left)
Iron Sulfide (FeS2) and Iron Oxide (Fe3O4 or Fe2O3)
mineral
Native Gold (in Jewelry)
Gold (Au)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Pyrite (Fools Gold)
Iron Disulfide (FeS2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Fluorite
Calcium fluoride, CaF2
Mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Iron Ore (Limonite and Hematite)
Goethite/Limonite (FeO(OH)·nH2O) and Hematite (Fe2O3)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Hematite (likely Botryoidal or Specularite variant)
Iron(III) oxide (Fe2O3)
mineral
Gold
Native Gold (Au)
Mineral
Pyrite and Chalcopyrite in Fluorite Matrix
Calcium Fluoride (CaF2) with Iron Sulfide (FeS2)
mineral
Hematite Ball
Iron(III) oxide (Fe2O3)
mineral
Galena (likely)
Galena, lead sulfide (PbS)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Sunstone
(Ca,Na)(Al,Si)4O8 (Oligoclase or Andesine)
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Pyrite
Iron sulfide (FeS2)
mineral
Pyrite with Vesicular Matrix
Iron Disulfide (FeS2)
mineral
Gold
Native Gold (Au)
mineral
Shungite
Non-crystalline carbon (C)
mineral
Silver Flakes in Glass
Silver (Ag)
mineral
Aura Amethyst (Dyed/Coated)
Titanium-treated Silicon Dioxide (SiO2)
mineral