Rock Identifier

Category

Anthropic Metallic Specimen

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

Magnetite (in matrix) (Magnetite (Fe3O4)) — mineral

Magnetite (in matrix)

Magnetite (Fe3O4)

mineral
Arsenopyrite with Schist Matrix (Arsenopyrite (FeAsS)) — mineral

Arsenopyrite with Schist Matrix

Arsenopyrite (FeAsS)

mineral
Pyrite (Fools Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fools Gold)

Iron Disulfide (FeS2)

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

Gold Nugget

Native Gold (Au)

mineral
Basalt (Basalt) — igneous

Basalt

Basalt

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

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

mineral
Green Aventurine (Aventurine Quartz (SiO2 with Fuchsite inclusions)) — mineral

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

mineral
Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

mineral
Bismuth (Bismuth (Bi)) — Mineral

Bismuth

Bismuth (Bi)

Mineral
Banded Iron Formation (BIF) (Banded Iron Formation (Magnetite-Hematite-Chert)) — sedimentary

Banded Iron Formation (BIF)

Banded Iron Formation (Magnetite-Hematite-Chert)

sedimentary
Gold (Processed) (Gold (Au)) — Metal (Elemental Mineral)

Gold (Processed)

Gold (Au)

Metal (Elemental Mineral)
Copper Ore (likely Chalcopyrite in Matrix) (Chalcopyrite (CuFeS2)) — mineral

Copper Ore (likely Chalcopyrite in Matrix)

Chalcopyrite (CuFeS2)

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

Specular Hematite

Hematite (Iron Oxide, Fe2O3)

mineral
Basalt (Basalt (composition of Plagioclase feldspar and Pyroxene)) — igneous

Basalt

Basalt (composition of Plagioclase feldspar and Pyroxene)

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

Magnetite

Iron(II,III) oxide (Fe3O4)

mineral
Rough Blue Diamond (Carbon (C) - Type IIb Diamond) — mineral

Rough Blue Diamond

Carbon (C) - Type IIb Diamond

mineral
Shungite (Non-crystalline carbon (Fullerene-bearing)) — mineral

Shungite

Non-crystalline carbon (Fullerene-bearing)

mineral
Basalt (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

igneous
Native Copper Nugget (Native Copper (Cu)) — mineral

Native Copper Nugget

Native Copper (Cu)

mineral
Basalt (Aphanitic Mafic Igneous Rock) — igneous

Basalt

Aphanitic Mafic Igneous Rock

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

Basalt River Stones

Basalt (Mafic volcanic rock)

igneous
Anthracite Coal (Anthracite (Carbon ≥ 86%)) — sedimentary

Anthracite Coal

Anthracite (Carbon ≥ 86%)

sedimentary
Chalcopyrite (Chalcopyrite (CuFeS2)) — mineral

Chalcopyrite

Chalcopyrite (CuFeS2)

mineral
Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

mineral
Tahitian Black Pearl (Biogenic Calcium Carbonate (Aragonite/Conchiolin Mixture), CaCO3) — mineral

Tahitian Black Pearl

Biogenic Calcium Carbonate (Aragonite/Conchiolin Mixture), CaCO3

mineral
Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

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

Magnetite (Iron Ore)

Magnetite (Fe3O4)

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

Hematite Mineral Ore

Iron(III) oxide (Fe2O3)

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

Anthracite Coal

Anthracite (Carbon-based metamorphic rock)

metamorphic
Basalt (Extrusive mafic volcanic rock) — igneous

Basalt

Extrusive mafic volcanic rock

igneous
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)
Magnetite with Pyroxene (Magnetite (Fe3O4) in Mafic Igneous Matrix) — mineral/igneous

Magnetite with Pyroxene

Magnetite (Fe3O4) in Mafic Igneous Matrix

mineral/igneous
Anthracite Coal (Anthracite (Highly Metamorphosed Coal)) — sedimentary

Anthracite Coal

Anthracite (Highly Metamorphosed Coal)

sedimentary
Basalt (Basalt (Aphanitic Mafic Volcanic)) — igneous

Basalt

Basalt (Aphanitic Mafic Volcanic)

igneous
Green Aventurine (Aventurine Quartz (SiO2 containing Fuchsite)) — metamorphic

Green Aventurine

Aventurine Quartz (SiO2 containing Fuchsite)

metamorphic
Peacock Ore (Chalcopyrite with acid treatment) (Copper Iron Sulfide (CuFeS2)) — mineral

Peacock Ore (Chalcopyrite with acid treatment)

Copper Iron Sulfide (CuFeS2)

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

Gold Nugget

Native Gold (Au)

mineral
Sunstone (Oligoclase (Plagioclase Feldspar), (Na,Ca)(Si,Al)4O8) — mineral

Sunstone

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

mineral
Chalcopyrite (Peacock Ore) (Chalcopyrite (CuFeS2)) — mineral

Chalcopyrite (Peacock Ore)

Chalcopyrite (CuFeS2)

mineral
Moqui Marble (Shaman Stone) (Iron Oxide Concretion (Goethite/Hematite shell with Sandstone core)) — sedimentary

Moqui Marble (Shaman Stone)

Iron Oxide Concretion (Goethite/Hematite shell with Sandstone core)

sedimentary
Chalcopyrite in Matrix (Chalcopyrite (CuFeS2)) — mineral

Chalcopyrite in Matrix

Chalcopyrite (CuFeS2)

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

Carborundum (Silicon Carbide)

Silicon Carbide (SiC)

mineral