Rock Identifier

Category

Mineral (Refined Metal)

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

Learn about Mineral (Refined Metal) in the encyclopedia

Cassiterite

Sperrylite

Brookite

Pyrite

Acanthite

Aventurine Feldspar

Aventurine Feldspar

Galena

Bronzite

Gold Sheen Obsidian

Pyrite (on Shale/Matrix) (Iron Disulfide (FeS2)) — mineral

Pyrite (on Shale/Matrix)

Iron Disulfide (FeS2)

Smoky Quartz and Pyrite Cluster (Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)) — mineral

Smoky Quartz and Pyrite Cluster

Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Chalcopyrite (Copper Iron Sulfide (CuFeS2)) — mineral

Chalcopyrite

Copper Iron Sulfide (CuFeS2)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Gold Ore (Native Gold (Au) in Matrix) — mineral

Gold Ore

Native Gold (Au) in Matrix

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

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Peacock Ore (Chalcopyrite/Bornite) (Bornite (Cu5FeS4) or iridescent treated Chalcopyrite (CuFeS2)) — Mineral

Peacock Ore (Chalcopyrite/Bornite)

Bornite (Cu5FeS4) or iridescent treated Chalcopyrite (CuFeS2)

Lapis Lazuli (Lapis lazuli (Mainly Lazurite: Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)) — metamorphic

Lapis Lazuli

Lapis lazuli (Mainly Lazurite: Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

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

Mica Schist with Garnet

Almandine-Mica Schist

Mica Schist (Greenschist / Chlorite Schist) (Schist (rich in Muscovite, Chlorite, and Quartz)) — metamorphic

Mica Schist (Greenschist / Chlorite Schist)

Schist (rich in Muscovite, Chlorite, and Quartz)

Green Aventurine (Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)) — metamorphic

Green Aventurine

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

Banded Iron Formation (BIF) (Banded Iron Formation (predominantly Hematite and Chert)) — sedimentary

Banded Iron Formation (BIF)

Banded Iron Formation (predominantly Hematite and Chert)

Schist (Lepidoblastic Mica Schist) — metamorphic

Schist

Lepidoblastic Mica Schist

Banded Iron Formation (BIF) (Banded Iron Formation (principally Hematite/Magnetite and Chert)) — sedimentary

Banded Iron Formation (BIF)

Banded Iron Formation (principally Hematite/Magnetite and Chert)

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

Basalt

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

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

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

Pyrite with Iron Oxides (Fool's Gold in Matrix)

Iron Sulfide (FeS2)

Mica Schist (Mica Schist (predominantly Muscovite or Biotite series)) — metamorphic

Mica Schist

Mica Schist (predominantly Muscovite or Biotite series)

Mica Schist (Schist (muscovite-quartz dominant)) — metamorphic

Mica Schist

Schist (muscovite-quartz dominant)

Lapis Lazuli (Lapis Lazuli (Primary mineral: Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Primary mineral: Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Biotite Schist (Biotite Schist (Metamorphic Rock featuring K(Mg,Fe)3AlSi3O10(OH)2)) — metamorphic

Biotite Schist

Biotite Schist (Metamorphic Rock featuring K(Mg,Fe)3AlSi3O10(OH)2)

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Muscovite Schist (Mica Schist (primarily KAl2(AlSi3O10)(OH)2)) — metamorphic

Muscovite Schist

Mica Schist (primarily KAl2(AlSi3O10)(OH)2)

Basalt River Stone with Mineral Crust (Aphanitic Mafic Igneous Rock) — igneous

Basalt River Stone with Mineral Crust

Aphanitic Mafic Igneous Rock

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

Green Aventurine

Quartz (SiO2) with fuchsite inclusions

Jasper with Hematite Inclusions (Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)) — sedimentary

Jasper with Hematite Inclusions

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)

Black Jasper (Black Jasper (Silicate mineral - SiO2)) — sedimentary

Black Jasper

Black Jasper (Silicate mineral - SiO2)

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

Muscovite Mica

KAl2(AlSi3O10)(OH)2

Basalt (Extrusive mafic volcanic rock) — igneous

Basalt

Extrusive mafic volcanic rock

Mica Schist (Mica Schist) — metamorphic

Mica Schist

Mica Schist

Basalt with Granite Inclusions (Xenoliths) (Mafic igneous rock (Basalt) with Sialic minerals) — igneous

Basalt with Granite Inclusions (Xenoliths)

Mafic igneous rock (Basalt) with Sialic minerals

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Ammonite Fossil (Ammonoidea (subclass)) — fossil

Ammonite Fossil

Ammonoidea (subclass)

Basalt with Weathered Rind (Basalt (Extrusive Mafic Igneous Rock)) — igneous

Basalt with Weathered Rind

Basalt (Extrusive Mafic Igneous Rock)

Nuummite (Nuummite (Orthoamphibole rock / Anthophyllite-Gedrite blend)) — metamorphic

Nuummite

Nuummite (Orthoamphibole rock / Anthophyllite-Gedrite blend)

Ironstone Concretion (Limonite/Goethite) (Goethite-rich Concretion (FeO(OH))) — sedimentary

Ironstone Concretion (Limonite/Goethite)

Goethite-rich Concretion (FeO(OH))

Mica Schist (Mica Schist (Complex Silicate Rock)) — metamorphic

Mica Schist

Mica Schist (Complex Silicate Rock)

Tiny metallic mineral fragment, possibly native gold (Native gold (Au), unconfirmed; could also be pyrite or chalcopyrite) — mineral

Tiny metallic mineral fragment, possibly native gold

Native gold (Au), unconfirmed; could also be pyrite or chalcopyrite

Blue mineral specimen, likely bornite (“peacock ore”) (Bornite, Cu5FeS4, possibly iridescent chalcopyrite (CuFeS2)) — mineral

Blue mineral specimen, likely bornite (“peacock ore”)

Bornite, Cu5FeS4, possibly iridescent chalcopyrite (CuFeS2)

Likely slag or metallic industrial byproduct (Unidentified iron-rich ferrous slag; possibly magnetite-bearing slag) — mineral

Likely slag or metallic industrial byproduct

Unidentified iron-rich ferrous slag; possibly magnetite-bearing slag