Rock Identifier

Category

Anthropic Metallic Specimen

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

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

igneous
Basalt (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt

Basalt (Mafic Extrusive Igneous Rock)

igneous
Barite (Barium Sulfate (BaSO4)) — mineral

Barite

Barium Sulfate (BaSO4)

mineral
Green Aventurine (Silicon Dioxide with Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)) — metamorphic

Green Aventurine

Silicon Dioxide with Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)

metamorphic
Basalt (Aphanitic Mafic Igneous Rock) — igneous

Basalt

Aphanitic Mafic Igneous Rock

igneous
Anthracite Coal (Anthracite (Metamorphosed Carbon)) — sedimentary

Anthracite Coal

Anthracite (Metamorphosed Carbon)

sedimentary
Basalt (Mafic Igneous Rock (primarily Plagioclase and Pyroxene)) — igneous

Basalt

Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

igneous
Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

igneous
Ironstone Concretion (Coprolite-like) (Goethite/Hematite Siderite Spheroid (FeCO3 or FeO(OH))) — sedimentary

Ironstone Concretion (Coprolite-like)

Goethite/Hematite Siderite Spheroid (FeCO3 or FeO(OH))

sedimentary
Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

igneous
Basalt (Basalt (Mafic Extrusive)) — igneous

Basalt

Basalt (Mafic Extrusive)

igneous
Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

igneous
Labradorite (Larvikite variety) (Plagioclase Feldspar (Na,Ca)(Si,Al)4O8) — igneous

Labradorite (Larvikite variety)

Plagioclase Feldspar (Na,Ca)(Si,Al)4O8

igneous
Titanium-Coated Hematite (Aura Hematite) (Titanium-bonded Hematite (Fe2O3 with a Ti coating)) — mineral

Titanium-Coated Hematite (Aura Hematite)

Titanium-bonded Hematite (Fe2O3 with a Ti coating)

mineral
Native Gold Nugget (Native Gold (Au)) — mineral

Native Gold Nugget

Native Gold (Au)

mineral
Arsenopyrite in Sulphide Ore (Arsenopyrite (FeAsS)) — mineral

Arsenopyrite in Sulphide Ore

Arsenopyrite (FeAsS)

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

Banded Iron Formation (BIF)

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

sedimentary
Copper Ore (with Azurite and Malachite) (Cuprite, Azurite (Cu3(CO3)2(OH)2), Malachite (Cu2(CO3)(OH)2)) — mineral

Copper Ore (with Azurite and Malachite)

Cuprite, Azurite (Cu3(CO3)2(OH)2), Malachite (Cu2(CO3)(OH)2)

mineral
Basalt (Mafic Igneous Rock (primarily Plagioclase and Pyroxene)) — igneous

Basalt

Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

igneous
Banded Iron Formation (BIF) (Banded Iron Formation (Fe2O3 + SiO2)) — sedimentary

Banded Iron Formation (BIF)

Banded Iron Formation (Fe2O3 + SiO2)

sedimentary
Moqui Marble (Hematite concretion (Iron oxide), Fe2O3) — sedimentary

Moqui Marble

Hematite concretion (Iron oxide), Fe2O3

sedimentary
Silver (Native Element / Alloy) (Silver (Ag)) — mineral

Silver (Native Element / Alloy)

Silver (Ag)

mineral
Fossilized Tiger Shark Tooth (Galeocerdo cuvier (fossilized hydroxylapatite)) — sedimentary

Fossilized Tiger Shark Tooth

Galeocerdo cuvier (fossilized hydroxylapatite)

sedimentary
Basalt (Basalt (Mafic Extrusive)) — igneous

Basalt

Basalt (Mafic Extrusive)

igneous
Black Pearl (Tahitian or Irradiated Type) (Organic gemstone (Calcium Carbonate with Conchiolin Binding)) — mineraloid

Black Pearl (Tahitian or Irradiated Type)

Organic gemstone (Calcium Carbonate with Conchiolin Binding)

mineraloid
Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

mineral
Red Hematite (Banded Iron Formation) (Hematite (Fe2O3)) — mineral

Red Hematite (Banded Iron Formation)

Hematite (Fe2O3)

mineral
Magnetite (Lodestone variety) (Magnetite (Fe3O4)) — mineral

Magnetite (Lodestone variety)

Magnetite (Fe3O4)

mineral
Gold-bearing Quartz (Quartz (SiO2) with associated pyrite or native gold) — mineral

Gold-bearing Quartz

Quartz (SiO2) with associated pyrite or native gold

mineral
Magnetite (Iron Ore) (Iron(II,III) oxide (Fe3O4)) — mineral

Magnetite (Iron Ore)

Iron(II,III) oxide (Fe3O4)

mineral
Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

mineral
Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

igneous
Hematite Nodular Concretion (Iron(III) oxide (Fe2O3)) — mineral

Hematite Nodular Concretion

Iron(III) oxide (Fe2O3)

mineral
Coal (Bituminous or Anthracite) (Carbonaceous sedimentary rock (primarily Carbon, C)) — sedimentary

Coal (Bituminous or Anthracite)

Carbonaceous sedimentary rock (primarily Carbon, C)

sedimentary
Ferruginous Sandstone (with Pyrite/Gold associations) (Ferruginous Arenite (SiO2 + Fe2O3)) — sedimentary

Ferruginous Sandstone (with Pyrite/Gold associations)

Ferruginous Arenite (SiO2 + Fe2O3)

sedimentary
Limonite (Yellow Ochre) (Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)) — mineral

Limonite (Yellow Ochre)

Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)

mineral
Basalt (Extrusive Mafic Igneous Rock) — igneous

Basalt

Extrusive Mafic Igneous Rock

igneous
Basalt (with Porphyritic/Vesicular texture) (Extrusive mafic igneous rock) — igneous

Basalt (with Porphyritic/Vesicular texture)

Extrusive mafic igneous rock

igneous
Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

igneous
Basalt (Basalt (primarily Plagioclase feldspar and Pyroxene)) — igneous

Basalt

Basalt (primarily Plagioclase feldspar and Pyroxene)

igneous
Green Fluorite (Calcium Fluoride (CaF2)) — mineral

Green Fluorite

Calcium Fluoride (CaF2)

mineral
Pyrite (Pyrite (Iron sulfide, FeS₂)) — mineral

Pyrite

Pyrite (Iron sulfide, FeS₂)

mineral