Rock Identifier

Category

Anthropic Metallic Specimen

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

Graphite (Graphite (C)) — mineral

Graphite

Graphite (C)

Silicon Carbide (Carborundum) (Moissanite (SiC), though mostly synthetic) — mineral

Silicon Carbide (Carborundum)

Moissanite (SiC), though mostly synthetic

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Limonite Pseudomorph after Pyrite (Limonite (FeO(OH)·nH2O) replacing Pyrite (FeS2)) — mineral

Limonite Pseudomorph after Pyrite

Limonite (FeO(OH)·nH2O) replacing Pyrite (FeS2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

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)

Chalcopyrite (Chalcopyrite (CuFeS2)) — mineral

Chalcopyrite

Chalcopyrite (CuFeS2)

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)

Graphite (Graphite (Carbon, C)) — metamorphic

Graphite

Graphite (Carbon, C)

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

Hematite

Iron(III) oxide (Fe2O3)

Shungite (Shungite (carbon-rich Precambrian rock)) — mineral

Shungite

Shungite (carbon-rich Precambrian rock)

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Vesicular Basalt (River Rock) (Afanitic Vesicular Basalt) — igneous

Vesicular Basalt (River Rock)

Afanitic Vesicular Basalt

Arsenopyrite (Arsenopyrite (FeAsS)) — mineral

Arsenopyrite

Arsenopyrite (FeAsS)

Gold (Native Gold (Au)) — mineral

Gold

Native Gold (Au)

Native Gold in Quartz (Native Gold (Au)) — mineral

Native Gold in Quartz

Native Gold (Au)

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

Basalt

Mafic igneous rock (primarily Plagioclase feldspar and Pyroxene)

Basalt (Basalt (Mafic volcanic rock)) — Igneous

Basalt

Basalt (Mafic volcanic rock)

Limonite (Iron Ore) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Basalt (Extrusive Mafic Igneous Rock (composed primarily of plagioclase, pyroxene, and olivine)) — igneous

Basalt

Extrusive Mafic Igneous Rock (composed primarily of plagioclase, pyroxene, and olivine)

Magnetite Orthorthotropic Rock (Magnetite (Fe3O4)) — mineral

Magnetite Orthorthotropic Rock

Magnetite (Fe3O4)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

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

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Green Aventurine (Silicon Dioxide (SiO2) with inclusions of Fuchsite mica) — metamorphic

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

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

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Basalt (Basalt (Mafic igneous rock)) — igneous

Basalt

Basalt (Mafic igneous rock)

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

Native Copper within Host Rock

Native Copper (Cu)

Anthracite Coal (Anthracite (Carbon-based metamorphic rock)) — metamorphic

Anthracite Coal

Anthracite (Carbon-based metamorphic rock)

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

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Labradorite (Labradorite (a calcium-enriched feldspar mineral), (Ca, Na)(Al, Si)4O8) — mineral

Labradorite

Labradorite (a calcium-enriched feldspar mineral), (Ca, Na)(Al, Si)4O8

Quartz with Mica inclusion (Silicon Dioxide (SiO2) with Muscovite/Biotite inclusions) — igneous

Quartz with Mica inclusion

Silicon Dioxide (SiO2) with Muscovite/Biotite inclusions

Mixed Tumbled Gemstones and River Rocks (Mixed Decorative Stones (predominantly Silicon Dioxide - SiO2 variants)) — Mixed (Igneous, Sedimentary, Metamorphic, and Minerals)

Mixed Tumbled Gemstones and River Rocks

Mixed Decorative Stones (predominantly Silicon Dioxide - SiO2 variants)

Mixed (Igneous, Sedimentary, Metamorphic, and Minerals)

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)

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

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Pyrite (Iron Pyrite (FeS2)) — mineral

Pyrite

Iron Pyrite (FeS2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

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

Magnetite (Lodestone)

Magnetite (Fe3O4)

Anthracite Coal (Anthracite (Carbon-rich Sedimentary Rock)) — sedimentary

Anthracite Coal

Anthracite (Carbon-rich Sedimentary Rock)

Sunstone (Oligoclase (a variety of Plagioclase Feldspar) - (Na,Ca)(Si,Al)4O8) — mineral

Sunstone

Oligoclase (a variety of Plagioclase Feldspar) - (Na,Ca)(Si,Al)4O8