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

Weathered iron-rich rock, possibly meteorite (Uncertain; likely goethite/hematite-rich material, with meteorite possibility) — mineral

Weathered iron-rich rock, possibly meteorite

Uncertain; likely goethite/hematite-rich material, with meteorite possibility

Iron-rich sulfide ore, likely pyrite-bearing gossan (Pyrite (FeS₂), possibly mixed with iron oxides/hydroxides and other sulfides) — mineral

Iron-rich sulfide ore, likely pyrite-bearing gossan

Pyrite (FeS₂), possibly mixed with iron oxides/hydroxides and other sulfides

Goldstone and pink quartz bead strands (Goldstone is aventurescent copper-bearing glass; pink beads are likely rose quartz (SiO₂), though dyed or glass imitations are possible) — mineral

Goldstone and pink quartz bead strands

Goldstone is aventurescent copper-bearing glass; pink beads are likely rose quartz (SiO₂), though dyed or glass imitations are possible

Sunstone (Plagioclase Feldspar (Na,Ca)(Si,Al)3O8) — mineral

Sunstone

Plagioclase Feldspar (Na,Ca)(Si,Al)3O8

Milky Quartz (Silicon Dioxide (SiO2)) — Mineral

Milky Quartz

Silicon Dioxide (SiO2)

Pegmatitic mica-quartz-feldspar specimen (Granitic pegmatite, chiefly quartz (SiO₂), feldspar, and muscovite/biotite mica) — igneous

Pegmatitic mica-quartz-feldspar specimen

Granitic pegmatite, chiefly quartz (SiO₂), feldspar, and muscovite/biotite mica

Banded Iron Formation (BIF) / Chert (Banded Iron Formation (SiO2 with Fe2O3 / Fe3O4)) — sedimentary

Banded Iron Formation (BIF) / Chert

Banded Iron Formation (SiO2 with Fe2O3 / Fe3O4)

Schist (Biotite Schist) (Biotite-bearing Schist (K(Mg,Fe)3AlSi3O10(F,OH)2)) — metamorphic

Schist (Biotite Schist)

Biotite-bearing Schist (K(Mg,Fe)3AlSi3O10(F,OH)2)

Limonite after Pyrite (Prophecy Stone) (Limonite (FeO(OH)·nH2O) replacing Pyrite (FeS2)) — Mineral pseudomorph

Limonite after Pyrite (Prophecy Stone)

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

Mineral pseudomorph

Nuummite (Antophyllite-Gedrite Orthoamphibole (Mg,Fe)7Si8O22(OH)2) — metamorphic

Nuummite

Antophyllite-Gedrite Orthoamphibole (Mg,Fe)7Si8O22(OH)2

Ferruginous Sandstone (Gozzanous) (SiO2 (Quartz) with FeO(OH) (Goethite) or Fe2O3 (Hematite) coating) — sedimentary

Ferruginous Sandstone (Gozzanous)

SiO2 (Quartz) with FeO(OH) (Goethite) or Fe2O3 (Hematite) coating

Quartz Vein in Mica Schist (Quartz (SiO2) with Muscovite/Biotite Schist) — metamorphic

Quartz Vein in Mica Schist

Quartz (SiO2) with Muscovite/Biotite Schist

Schist (specifically Mica Schist) (Mica Schist (primarily composed of Muscovite KAl2(AlSi3O10)(OH)2 and Biotite)) — metamorphic

Schist (specifically Mica Schist)

Mica Schist (primarily composed of Muscovite KAl2(AlSi3O10)(OH)2 and Biotite)

Fossilized cylindrical shell or bone fragment (Indeterminate biogenic carbonate or phosphatic fossil; possible fragment of a tubular shell (e.g., scaphopod) or hollow bone) — fossil

Fossilized cylindrical shell or bone fragment

Indeterminate biogenic carbonate or phosphatic fossil; possible fragment of a tubular shell (e.g., scaphopod) or hollow bone

Basalt with Iron Oxidation (Aphanitic Mafic Igneous Rock (composed primarily of Plagioclase and Pyroxene)) — igneous

Basalt with Iron Oxidation

Aphanitic Mafic Igneous Rock (composed primarily of Plagioclase and Pyroxene)

Schist (Garnet-Mica Schist) (Garnet-Mica Schist (X-Y)3Z2(SiO4)3) — metamorphic

Schist (Garnet-Mica Schist)

Garnet-Mica Schist (X-Y)3Z2(SiO4)3

Schist (with Iron Oxide) (Mica Schist) — metamorphic

Schist (with Iron Oxide)

Mica Schist

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

Mica Schist

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

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

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

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

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Blue Aventurine (Silicon Dioxide (SiO2) with inclusions of Dumortierite) — Mineral (silicate variety)

Blue Aventurine

Silicon Dioxide (SiO2) with inclusions of Dumortierite

Mineral (silicate variety)

Schist (Greenschist / Mica Schist) (Schist (variable mineral composition, commonly containing quartz, feldspar, mica, chlorite)) — metamorphic

Schist (Greenschist / Mica Schist)

Schist (variable mineral composition, commonly containing quartz, feldspar, mica, chlorite)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (with Iron staining) (Silicon Dioxide (SiO2)) — mineral

Milky Quartz (with Iron staining)

Silicon Dioxide (SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Goldstone (Aventurine glass) — mineral (man-made glass)

Goldstone

Aventurine glass

mineral (man-made glass)

Vesicular Basalt (Scoria) (Basalt (Extrusive Igneous Rock)) — igneous

Vesicular Basalt (Scoria)

Basalt (Extrusive Igneous Rock)

Ironstone Nodules (Iron Concretion) (Siderite or Hematite Concretion) — sedimentary

Ironstone Nodules (Iron Concretion)

Siderite or Hematite Concretion

Banded Iron Formation (BIF) / Jaspilite (Banded Iron Formation (predominantly Hematite, Magnetite, and Quartz/Jasper)) — sedimentary

Banded Iron Formation (BIF) / Jaspilite

Banded Iron Formation (predominantly Hematite, Magnetite, and Quartz/Jasper)

Mica Schist (Mica Schist (primarily Muscovite and Quartz)) — metamorphic

Mica Schist

Mica Schist (primarily Muscovite and Quartz)

Black Sand (Magnetite Sand) (Magnetite-rich Placers (Fe3O4)) — sedimentary

Black Sand (Magnetite Sand)

Magnetite-rich Placers (Fe3O4)

Mica Schist (Muscovite/Biotite Schist) — metamorphic

Mica Schist

Muscovite/Biotite Schist

Mica Schist (Mica Schist (primarily Muscovite or Biotite sheet silicates)) — metamorphic

Mica Schist

Mica Schist (primarily Muscovite or Biotite sheet silicates)

Ironstone Concretion / Limonite Node (Limonite (Hydrated Iron Oxide, FeO(OH)·nH2O) with Goethite/Hematite) — sedimentary

Ironstone Concretion / Limonite Node

Limonite (Hydrated Iron Oxide, FeO(OH)·nH2O) with Goethite/Hematite

Serpentinite (with Pyrite/Garnet inclusions) (Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3Si2O5(OH)4) — metamorphic

Serpentinite (with Pyrite/Garnet inclusions)

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3Si2O5(OH)4

Sandstone with Vitrinite/Coal inclusions (Arenite with Carbonaceous inclusions) — sedimentary

Sandstone with Vitrinite/Coal inclusions

Arenite with Carbonaceous inclusions

Mica Schist with Pyrite and Quartz (Metamorphic Rock (Muscovite-Biotite Schist)) — metamorphic

Mica Schist with Pyrite and Quartz

Metamorphic Rock (Muscovite-Biotite Schist)

Schist (Mica Schist (Metamorphic Rock)) — metamorphic

Schist

Mica Schist (Metamorphic Rock)

Banded Iron Formation (BIF) / Iron Ore (Banded Iron Formation (composed primarily of Hematite (Fe2O3) and Magnetite (Fe3O4) with Quartz/Chert)) — sedimentary

Banded Iron Formation (BIF) / Iron Ore

Banded Iron Formation (composed primarily of Hematite (Fe2O3) and Magnetite (Fe3O4) with Quartz/Chert)

Folded Schist / Gneiss (Metamorphic Rock) (Regional Metaphoric Folded Outcrop (predominantly Schist/Gneiss)) — metamorphic

Folded Schist / Gneiss (Metamorphic Rock)

Regional Metaphoric Folded Outcrop (predominantly Schist/Gneiss)