Rock Identifier

Category

Anthropic Metallic Specimen

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

Pyrite (Limonite Pseudo-morph after Pyrite) (Iron sulfide (FeS2) transitioning to Iron oxide-hydroxide (FeO(OH)·nH2O)) — mineral

Pyrite (Limonite Pseudo-morph after Pyrite)

Iron sulfide (FeS2) transitioning to Iron oxide-hydroxide (FeO(OH)·nH2O)

Black Tourmaline (Schorl) (Sodium Iron Aluminum Borosilicate (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)) — mineral

Black Tourmaline (Schorl)

Sodium Iron Aluminum Borosilicate (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)

Moqui Marble (Ironstone Concretion (Goethite/Hematite shell with Sandstone core)) — sedimentary

Moqui Marble

Ironstone Concretion (Goethite/Hematite shell with Sandstone core)

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

Adventurine (Green)

Silicon Dioxide (SiO2) with inclusions of Fuchsite

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

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

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

Green Aventurine (Quartz)

SiO2 (Silicon Dioxide with Fuchsite inclusions)

Bituminous Coal (Bituminous coal (Lithotype: Durain/Clarain)) — sedimentary

Bituminous Coal

Bituminous coal (Lithotype: Durain/Clarain)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Nuummite (Nuummite (mixture of Anthophyllite and Gedrite)) — metamorphic

Nuummite

Nuummite (mixture of Anthophyllite and Gedrite)

Pyrite (on Quartz matrix) (Iron Sulfide (FeS2)) — mineral

Pyrite (on Quartz matrix)

Iron Sulfide (FeS2)

Galena (Lead(II) sulfide (PbS)) — mineral

Galena

Lead(II) sulfide (PbS)

Black Tourmaline (Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Black Tourmaline

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

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

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Basalt (Mafic volcanic rock (consisting mostly of plagioclase, pyroxene, and olivine)) — igneous

Basalt

Mafic volcanic rock (consisting mostly of plagioclase, pyroxene, and olivine)

Moqui Marble (Iron Concretion) (Hematite/Goethite Concretion (Fe2O3 / FeO(OH))) — sedimentary

Moqui Marble (Iron Concretion)

Hematite/Goethite Concretion (Fe2O3 / FeO(OH))

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Anthracite (Anthracite Coal) — metamorphic

Anthracite

Anthracite Coal

Pyrite (on host rock) (Iron Sulfide (FeS2)) — mineral

Pyrite (on host rock)

Iron Sulfide (FeS2)

Banded Iron Formation / Jasper-Hematite Ore (Banded Iron Formation (BIF) containing Jasper (SiO2) and Hematite (Fe2O3)) — sedimentary

Banded Iron Formation / Jasper-Hematite Ore

Banded Iron Formation (BIF) containing Jasper (SiO2) and Hematite (Fe2O3)

Banded Iron Formation (BIF) with potential Stromatolite/Biogenic Trace (Ferruginous Chert / Banded Iron Formation (BIF)) — sedimentary

Banded Iron Formation (BIF) with potential Stromatolite/Biogenic Trace

Ferruginous Chert / Banded Iron Formation (BIF)

Basalt (Mafic Volcanic Rock) — igneous

Basalt

Mafic Volcanic Rock

Banded Iron Formation (BIF) (Banded Iron Formation) — sedimentary

Banded Iron Formation (BIF)

Banded Iron Formation

Moqui Marble (Shaman Stone) (Iron Oxide Concretion (Hematite/Goethite-encased Sandstone)) — sedimentary

Moqui Marble (Shaman Stone)

Iron Oxide Concretion (Hematite/Goethite-encased Sandstone)

Slag (Anthropogenic Iron Silicate Glass) — mineral

Slag

Anthropogenic Iron Silicate Glass

Basalt (Basalt (containing plagioclase, pyroxene, and olivine)) — igneous

Basalt

Basalt (containing plagioclase, pyroxene, and olivine)

Basalt (Basalt (Extrusive Igneous Rock)) — igneous

Basalt

Basalt (Extrusive Igneous Rock)

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

Anthracite Coal (Anthracite (Carbon-rich metamorphic sedimentary rock)) — sedimentary

Anthracite Coal

Anthracite (Carbon-rich metamorphic sedimentary rock)

Bituminous Coal (Organic Sedimentary Rock (Carbon-based)) — sedimentary

Bituminous Coal

Organic Sedimentary Rock (Carbon-based)

Mica Schist (Mica Schist (KAl2(AlSi3O10)(OH)2 / K(Mg,Fe)3AlSi3O10(OH)2 mixed with SiO2)) — metamorphic

Mica Schist

Mica Schist (KAl2(AlSi3O10)(OH)2 / K(Mg,Fe)3AlSi3O10(OH)2 mixed with SiO2)

Vesicular Basalt (or Scoria) (Vesicular Basalt (Aphanitic-vesicular volcanic rock)) — igneous

Vesicular Basalt (or Scoria)

Vesicular Basalt (Aphanitic-vesicular volcanic rock)

Basalt (Mafic volcanic rock (Silicon dioxide 45-52%)) — igneous

Basalt

Mafic volcanic rock (Silicon dioxide 45-52%)

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

Basalt

Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)

Golden Mica Schist (Mica Schist (primarily Muscovite/Biotite with Quartz)) — metamorphic

Golden Mica Schist

Mica Schist (primarily Muscovite/Biotite with Quartz)

Basalt (Mafic volcanic rock, primarily composed of Plagioclase, Pyroxene, and Olivine) — Igneous

Basalt

Mafic volcanic rock, primarily composed of Plagioclase, Pyroxene, and Olivine

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

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

Basalt

Basalt (Mafic Extrusive Igneous Rock)

Pyrulite (Pyrite / Chalcopyrite) (Iron Sulfide (FeS2) or Copper Iron Sulfide (CuFeS2)) — mineral

Pyrulite (Pyrite / Chalcopyrite)

Iron Sulfide (FeS2) or Copper Iron Sulfide (CuFeS2)

Bismuth Crystal (Bismuth (Bi)) — mineral

Bismuth Crystal

Bismuth (Bi)

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

Green Aventurine

Quartz (SiO2) with Fuchsite inclusions