Rock Identifier

Category

Anthropic Metallic Specimen

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

Basalt (Pahoehoe texture) (Mafic Volcanic Rock) — igneous

Basalt (Pahoehoe texture)

Mafic Volcanic Rock

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Magnetite / Ironstone Pebble (Magnetite (Fe3O4)) — mineral

Magnetite / Ironstone Pebble

Magnetite (Fe3O4)

Ironstone (likely Limonite or Goethite nodule) (Hydrothermally altered Ferric Hydroxide (FeO(OH)·nH2O)) — sedimentary

Ironstone (likely Limonite or Goethite nodule)

Hydrothermally altered Ferric Hydroxide (FeO(OH)·nH2O)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt with Iron Oxide staining (Basalt (Mafic volcanic rock)) — igneous

Basalt with Iron Oxide staining

Basalt (Mafic volcanic rock)

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Nickel (Nickel (Ni)) — mineral

Nickel

Nickel (Ni)

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

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Rutilated Quartz (Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions) — mineral

Rutilated Quartz

Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions

Arsenopyrite (Arsenopyrite (FeAsS)) — mineral

Arsenopyrite

Arsenopyrite (FeAsS)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Basalt (Aphanitic Mafic Igneous Rock) — igneous

Basalt

Aphanitic Mafic Igneous Rock

Bornite (Bornite (Cu5FeS4)) — mineral

Bornite

Bornite (Cu5FeS4)

Limonite (Iron Ore) (Limonite (mixture of hydrated iron(III) oxide-hydroxides)) — Mineral

Limonite (Iron Ore)

Limonite (mixture of hydrated iron(III) oxide-hydroxides)

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

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Iron-Nickel Meteorite (Siderite (Meteoric Iron-Nickel alloy)) — igneous

Iron-Nickel Meteorite

Siderite (Meteoric Iron-Nickel alloy)

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Magnetite (Iron Ore) (Magnetite (Fe3O4)) — mineral

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Aphanitic Mafic Igneous Rock) — igneous

Basalt

Aphanitic Mafic Igneous Rock

Aura Quartz Geode (Titanium/Gold bonded Quartz (SiO2 with metallic coating)) — mineral

Aura Quartz Geode

Titanium/Gold bonded Quartz (SiO2 with metallic coating)

Copper Ore (Native Copper (Cu) often found with Chalcocite (Cu2S) or Bornite (Cu5FeS4)) — mineral

Copper Ore

Native Copper (Cu) often found with Chalcocite (Cu2S) or Bornite (Cu5FeS4)

Green Aventurine (Silicon dioxide with Fuscite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)) — mineral

Green Aventurine

Silicon dioxide with Fuscite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)

Specular Hematite (Specularite) (Hematite (Iron(III) oxide) - Fe2O3) — mineral

Specular Hematite (Specularite)

Hematite (Iron(III) oxide) - Fe2O3

Native Copper within Host Rock (Native Copper (Cu)) — Mineral

Native Copper within Host Rock

Native Copper (Cu)

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

Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Fluorite with Quartz (Fluorite (CaF2) and Quartz (SiO2)) — mineral

Fluorite with Quartz

Fluorite (CaF2) and Quartz (SiO2)

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

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

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

Basalt

Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)

Ironstone Concretion (Moqui Marble type) (Iron oxide concretion (Goethite/Hematite and Sandstone)) — sedimentary

Ironstone Concretion (Moqui Marble type)

Iron oxide concretion (Goethite/Hematite and Sandstone)

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Fossilized Shark Tooth (Carcharocles sp. or similar (Fossilized Fluorapatite)) — sedimentary

Fossilized Shark Tooth

Carcharocles sp. or similar (Fossilized Fluorapatite)

Graphite (Graphite (Carbon, C)) — metamorphic

Graphite

Graphite (Carbon, C)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Muscovite Mica (Muscovite (KAl2(AlSi3O10)(OH)2)) — mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

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

Pyrite (Fool's Gold) in Matrix

Iron Sulfide (FeS2)

Hematite-rich Ironstone (Ferruginous Rock (Fe2O3)) — sedimentary

Hematite-rich Ironstone

Ferruginous Rock (Fe2O3)

Moissanite (Silicon Carbide (SiC)) — mineral

Moissanite

Silicon Carbide (SiC)