Rock Identifier

Category

Anthropic Metallic Specimen

Browse anthropic metallic specimen specimens identified by the Rock Identifier community.

Nobby Hematite (Iron Ore) (Hematite (Fe2O3)) — mineral

Nobby Hematite (Iron Ore)

Hematite (Fe2O3)

mineral
Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

mineral
Bornite (Peacock Ore) (Bornite (Cu5FeS4)) — mineral

Bornite (Peacock Ore)

Bornite (Cu5FeS4)

mineral
Rutilated Quartz (SiO2 with TiO2 inclusions (Rutile)) — Mineral

Rutilated Quartz

SiO2 with TiO2 inclusions (Rutile)

Mineral
Transit Token (RTD Denver) (Nickel-plated brass or bronze alloy (Cu-Sn-Zn-Ni)) — not a rock or mineral (anthropogenic material)

Transit Token (RTD Denver)

Nickel-plated brass or bronze alloy (Cu-Sn-Zn-Ni)

not a rock or mineral (anthropogenic material)
Specular Hematite (Specularite) in Matrix (Specularite (Fe2O3)) — mineral

Specular Hematite (Specularite) in Matrix

Specularite (Fe2O3)

mineral
Iron (Hematite variety) (Iron (Fe) / Hematite (Fe2O3)) — mineral

Iron (Hematite variety)

Iron (Fe) / Hematite (Fe2O3)

mineral
Specular Hematite (Hematite (Fe2O3)) — mineral

Specular Hematite

Hematite (Fe2O3)

mineral
Hematite / Goethite (Iron Ore) (Iron Oxide (Fe2O3 / FeO(OH))) — mineral

Hematite / Goethite (Iron Ore)

Iron Oxide (Fe2O3 / FeO(OH))

mineral
Specular Hematite (Specularite) (Iron Oxide (Fe2O3)) — mineral

Specular Hematite (Specularite)

Iron Oxide (Fe2O3)

mineral
Banded Iron Formation (BIF) / Tiger Iron (Banded Iron Formation containing Hematite (Fe2O3) and Magnetite (Fe3O4)) — sedimentary

Banded Iron Formation (BIF) / Tiger Iron

Banded Iron Formation containing Hematite (Fe2O3) and Magnetite (Fe3O4)

sedimentary
Shungite (Non-crystalline carbonoid (Shungite)) — metamorphic

Shungite

Non-crystalline carbonoid (Shungite)

metamorphic
Gold Ore (Native Gold (Au)) — mineral

Gold Ore

Native Gold (Au)

mineral
Peacock Ore (Bornite or Chalcopyrite treated with acid) (Bornite (Cu5FeS4) or Acid-washed Chalcopyrite (CuFeS2)) — mineral

Peacock Ore (Bornite or Chalcopyrite treated with acid)

Bornite (Cu5FeS4) or Acid-washed Chalcopyrite (CuFeS2)

mineral
Specular Hematite (Hematite (Fe2O3)) — mineral

Specular Hematite

Hematite (Fe2O3)

mineral
Iron Meteorite (Siderite (Iron-Nickel Meteorite)) — mineral

Iron Meteorite

Siderite (Iron-Nickel Meteorite)

mineral
Iron Ore (Hematite/Magnetite mixture) (Ferrous Oxide (Fe2O3 / Fe3O4)) — sedimentary

Iron Ore (Hematite/Magnetite mixture)

Ferrous Oxide (Fe2O3 / Fe3O4)

sedimentary
Hematite (Botryoidal/Kidney Ore) (Iron(III) oxide (Fe2O3)) — mineral

Hematite (Botryoidal/Kidney Ore)

Iron(III) oxide (Fe2O3)

mineral
Metal Alloy (Likely Pewter or Sterling Silver) (Not a natural geological specimen; composed of refined metals. If pewter, it's a tin-based alloy. If sterling silver, it's 92.5% silver and 7.5% other metals (usually copper).) — Man-made material (metal)

Metal Alloy (Likely Pewter or Sterling Silver)

Not a natural geological specimen; composed of refined metals. If pewter, it's a tin-based alloy. If sterling silver, it's 92.5% silver and 7.5% other metals (usually copper).

Man-made material (metal)
Specular Hematite (Iron Ore) (Iron(III) oxide (Fe2O3)) — mineral

Specular Hematite (Iron Ore)

Iron(III) oxide (Fe2O3)

mineral
Specular Hematite (Iron Oxide (Fe2O3)) — mineral

Specular Hematite

Iron Oxide (Fe2O3)

mineral
Specular Hematite Geode/Nodule (Specularite (Polycrystalline Hematite), Fe2O3) — mineral

Specular Hematite Geode/Nodule

Specularite (Polycrystalline Hematite), Fe2O3

mineral
Anthracite Coal (Anthracite (a variety of coal, predominantly carbon)) — Sedimentary Rock (Metamorphosed)

Anthracite Coal

Anthracite (a variety of coal, predominantly carbon)

Sedimentary Rock (Metamorphosed)
Amethyst and Hematite Bracelet (Amethyst (SiO2) and Hematite (Fe2O3)) — mineral

Amethyst and Hematite Bracelet

Amethyst (SiO2) and Hematite (Fe2O3)

mineral
Specular Hematite (Specularite) (Iron Oxide (Fe2O3)) — mineral

Specular Hematite (Specularite)

Iron Oxide (Fe2O3)

mineral
Galena (Galena (Lead Sulfide), PbS) — mineral

Galena

Galena (Lead Sulfide), PbS

mineral
Iron Slag (Anthropogenic Vitreous Silicate (Byproduct of Smelting)) — Mineral-like byproduct

Iron Slag

Anthropogenic Vitreous Silicate (Byproduct of Smelting)

Mineral-like byproduct
Gold-bearing Quartz (Native Gold (Au) in Quartz (SiO2) matrix) — mineral

Gold-bearing Quartz

Native Gold (Au) in Quartz (SiO2) matrix

mineral
Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

mineral
Aventurine Quartz (Silicon Dioxide (SiO2) with Fuchsite inclusions) — metamorphic

Aventurine Quartz

Silicon Dioxide (SiO2) with Fuchsite inclusions

metamorphic
Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

mineral
Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

mineral
Pyrite (Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

mineral
Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

mineral
Bornite (Peacock Ore) (Bornite (Cu5FeS4)) — mineral

Bornite (Peacock Ore)

Bornite (Cu5FeS4)

mineral
Specular Hematite with Quartz (Ferric oxide (Fe2O3) and Silicon dioxide (SiO2)) — Mineral

Specular Hematite with Quartz

Ferric oxide (Fe2O3) and Silicon dioxide (SiO2)

Mineral
Iron-Nickel Meteorite (Siderite (Iron Meteorite), primarily Fe-Ni alloy) — igneous

Iron-Nickel Meteorite

Siderite (Iron Meteorite), primarily Fe-Ni alloy

igneous
Silicon Carbide (Carborundum) (Silicon Carbide (SiC)) — mineral

Silicon Carbide (Carborundum)

Silicon Carbide (SiC)

mineral
Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

mineral
Silver (Native or Alloyed) (Ag (Argentum)) — mineral

Silver (Native or Alloyed)

Ag (Argentum)

mineral
Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

mineral
Aventurine (Aventurine Quartz (SiO2 with inclusions)) — Mineral

Aventurine

Aventurine Quartz (SiO2 with inclusions)

Mineral