Rock Identifier

Category

Metal (Elemental Mineral)

Browse metal (elemental mineral) specimens identified by the Rock Identifier community.

Learn about Metal (Elemental Mineral) in the encyclopedia

Sulfur

Cassiterite

Sperrylite

Brookite

Pyrite

Carbonatite

Acanthite

Aventurine Feldspar

Aventurine Feldspar

Galena

Bronzite

Gold Sheen Obsidian

Native Copper (Copper (Cu)) — mineral

Native Copper

Copper (Cu)

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

Aventurine

Quartz (SiO2) with Fuchsite inclusions

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Moss Agate (Silicon Dioxide (SiO2) with Chlorite/Oxide inclusions) — mineral

Moss Agate

Silicon Dioxide (SiO2) with Chlorite/Oxide inclusions

Asphalt / Bituminous Aggregate (Bituminous mixture (Hydrocarbon-based sediment)) — sedimentary

Asphalt / Bituminous Aggregate

Bituminous mixture (Hydrocarbon-based sediment)

Green Mica Schist (Mica Schist (Fuchsite or Chlorite variety)) — metamorphic

Green Mica Schist

Mica Schist (Fuchsite or Chlorite variety)

Ironstone (Limonite/Hematite concretion) (Ferruginous Siltstone / Goethite (FeO(OH))) — sedimentary

Ironstone (Limonite/Hematite concretion)

Ferruginous Siltstone / Goethite (FeO(OH))

Hematite / Ironstone (Iron Oxide (Fe2O3)) — sedimentary

Hematite / Ironstone

Iron Oxide (Fe2O3)

Basalt River Pebble (with possible Pyrite/Mineralization) (Basalt (Mafic volcanic rock)) — igneous

Basalt River Pebble (with possible Pyrite/Mineralization)

Basalt (Mafic volcanic rock)

Schist (Mica Schist (Composition typically involves Muscovite, Biotite, Quartz, and Feldspar)) — metamorphic

Schist

Mica Schist (Composition typically involves Muscovite, Biotite, Quartz, and Feldspar)

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

Basalt with Iron Oxide staining

Basalt (Mafic volcanic rock)

Mica Schist with Garnet (Garnet-Mica Schist) — metamorphic

Mica Schist with Garnet

Garnet-Mica Schist

Basalt (Basalt (composition predominately plagioclase feldspar and pyroxene)) — igneous

Basalt

Basalt (composition predominately plagioclase feldspar and pyroxene)

Limonite Geode (Ironstone Concretion) (FeO(OH)·nH2O (Hydrated Iron Oxide)) — sedimentary

Limonite Geode (Ironstone Concretion)

FeO(OH)·nH2O (Hydrated Iron Oxide)

Ironstone Concretion (Boji Stone/Moqui Marble type) (Goethite/Hematite-encrusted Sandstone Concretion) — sedimentary

Ironstone Concretion (Boji Stone/Moqui Marble type)

Goethite/Hematite-encrusted Sandstone Concretion

Moqui Marble (Iron Oxide Concretion) (Iron Oxide Concretion (primarily Limonite/Hematite around a Sandstone center)) — sedimentary

Moqui Marble (Iron Oxide Concretion)

Iron Oxide Concretion (primarily Limonite/Hematite around a Sandstone center)

Iron Ore (Hematite/Magnetite mixture) (Ferrous Oxide (Fe2O3 / Fe3O4)) — sedimentary

Iron Ore (Hematite/Magnetite mixture)

Ferrous Oxide (Fe2O3 / Fe3O4)

Galena (Lead Sulfide (PbS)) — mineral

Galena

Lead Sulfide (PbS)

Chalcopyrite in Gossan (Chalcopyrite (CuFeS2) in a Limonite-rich Gossan matrix) — mineral

Chalcopyrite in Gossan

Chalcopyrite (CuFeS2) in a Limonite-rich Gossan matrix

Pyrite in Matrix (Iron Disulfide (FeS2)) — mineral

Pyrite in Matrix

Iron Disulfide (FeS2)

Anthracite Coal (Anthracite (Carbon rank grade)) — sedimentary

Anthracite Coal

Anthracite (Carbon rank grade)

Goldstone (aventurine glass) (Synthetic copper-bearing soda-lime glass; commonly sold as red goldstone) — gemstone

Goldstone (aventurine glass)

Synthetic copper-bearing soda-lime glass; commonly sold as red goldstone

Pyrite (Iron Pyrite (FeS2)) — mineral

Pyrite

Iron Pyrite (FeS2)

Hematite (Hematite (Fe2O3)) — mineral

Hematite

Hematite (Fe2O3)

Chalcopyrite (CuFeS2 (Copper Iron Sulfide)) — mineral

Chalcopyrite

CuFeS2 (Copper Iron Sulfide)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Red Aventurine (Quartz variety (SiO2 with Hematite/Goethite inclusions)) — mineral

Red Aventurine

Quartz variety (SiO2 with Hematite/Goethite inclusions)

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

Rutilated Quartz

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

Labradorite (Labradorite (Ca,Na)(Al,Si)4O8) — mineral

Labradorite

Labradorite (Ca,Na)(Al,Si)4O8

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

Green Aventurine

Quartz (Silicon Dioxide, SiO2) with fuchsite inclusions

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

Green Aventurine

Quartz (Silicon Dioxide, SiO2) with fuchsite inclusions

Pyrite (Iron Pyrite (FeS2)) — mineral

Pyrite

Iron Pyrite (FeS2)

Native Copper (Tumbled Nugget) (Cu (Native Element)) — mineral

Native Copper (Tumbled Nugget)

Cu (Native Element)

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

Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

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

Sunstone (Feldspar)

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

Barite (Barium sulfate (BaSO4)) — mineral

Barite

Barium sulfate (BaSO4)

Chalcopyrite (Peacock Ore) (Copper Iron Sulfide (CuFeS2)) — mineral

Chalcopyrite (Peacock Ore)

Copper Iron Sulfide (CuFeS2)

Green Aventurine (Silicon Dioxide (SiO2) with Chromium-bearing Fuchsite) — mineral

Green Aventurine

Silicon Dioxide (SiO2) with Chromium-bearing Fuchsite

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

Green Aventurine

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

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

Sunstone

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

Biotite on Quartz (Biotite Mica (K(Mg,Fe)3AlSi3O10(F,OH)2)) — mineral

Biotite on Quartz

Biotite Mica (K(Mg,Fe)3AlSi3O10(F,OH)2)