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 (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Ruby (mounted cabochon) (Corundum, Al₂O₃; red color typically from chromium) — gemstone

Ruby (mounted cabochon)

Corundum, Al₂O₃; red color typically from chromium

Polished orange chalcedony pendant (Chalcedony, microcrystalline quartz (SiO₂), likely orange carnelian or orange agate) — mineral

Polished orange chalcedony pendant

Chalcedony, microcrystalline quartz (SiO₂), likely orange carnelian or orange agate

Milky Quartz Pebble (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Man-made Slag (Industrial Byproduct) (Anthropogenic Glassy Residue) — not a natural rock

Man-made Slag (Industrial Byproduct)

Anthropogenic Glassy Residue

not a natural rock

Amethyst (in jewelry) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst (in jewelry)

Silicon Dioxide (SiO2) with iron impurities

The user-provided image does not contain a rock or mineral specimen — N/A

The user-provided image does not contain a rock or mineral specimen

Bauxite (Bauxite (mixture including Gibbsite Al(OH)3, Boehmite γ-AlO(OH), and Diaspore α-AlO(OH))) — sedimentary

Bauxite

Bauxite (mixture including Gibbsite Al(OH)3, Boehmite γ-AlO(OH), and Diaspore α-AlO(OH))

Ruby (set in a ring; possibly synthetic or imitation) (Corundum, Al₂O₃; red color is typically caused by chromium) — gemstone

Ruby (set in a ring; possibly synthetic or imitation)

Corundum, Al₂O₃; red color is typically caused by chromium

Amethyst cabochon ring (Amethyst, purple quartz (SiO₂), colored primarily by iron-related defects and irradiation) — gemstone

Amethyst cabochon ring

Amethyst, purple quartz (SiO₂), colored primarily by iron-related defects and irradiation

Aura Quartz (Silicon Dioxide (SiO2) with Titanium/Metal vapor coating) — mineral

Aura Quartz

Silicon Dioxide (SiO2) with Titanium/Metal vapor coating

Milky Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Native Copper (Native Copper (Cu)) — mineral

Native Copper

Native Copper (Cu)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Quartz-bearing pyrite–chalcopyrite specimen (Pyrite (FeS₂), likely chalcopyrite (CuFeS₂), with quartz (SiO₂)) — mineral

Quartz-bearing pyrite–chalcopyrite specimen

Pyrite (FeS₂), likely chalcopyrite (CuFeS₂), with quartz (SiO₂)

Gossan (Iron Cap) (Limonitic Gossan (Fe2O3·nH2O mixed)) — sedimentary

Gossan (Iron Cap)

Limonitic Gossan (Fe2O3·nH2O mixed)

Red Sandstone (Quartz Arenite (with Iron Oxide)) — sedimentary

Red Sandstone

Quartz Arenite (with Iron Oxide)

Iridescent bismuth crystal (Bismuth (Bi), commonly laboratory-grown and oxidized) — mineral

Iridescent bismuth crystal

Bismuth (Bi), commonly laboratory-grown and oxidized

Gossan (Limonite/Goethite) (Hydrated iron oxides (primarily FeO(OH)·nH2O)) — mineral

Gossan (Limonite/Goethite)

Hydrated iron oxides (primarily FeO(OH)·nH2O)

Copper Ore (Native Copper (Cu) often found with Chalcocite (Cu2S) or Bornite (Cu5FeS4)) — mineral

Copper Ore

Native Copper (Cu) often found with Chalcocite (Cu2S) or Bornite (Cu5FeS4)

Native silver fragment (probable) (Silver, Ag; possibly silver-bearing sulfide or plated metal) — mineral

Native silver fragment (probable)

Silver, Ag; possibly silver-bearing sulfide or plated metal

Quartz-rich metallic sulfide ore (probable pyrite-bearing rock) (Pyrite, FeS₂, in a quartz-rich host; exact identification is uncertain from the image) — mineral

Quartz-rich metallic sulfide ore (probable pyrite-bearing rock)

Pyrite, FeS₂, in a quartz-rich host; exact identification is uncertain from the image

Gold-Bearing Quartz Ore (Crystalline Silicon Dioxide (SiO2) with Trace Aurum (Au)) — mineral

Gold-Bearing Quartz Ore

Crystalline Silicon Dioxide (SiO2) with Trace Aurum (Au)

Green Schist (Greenschist (Chlorite Schist)) — metamorphic

Green Schist

Greenschist (Chlorite Schist)

Vanadinite (Vanadinite (Pb5(VO4)3Cl)) — mineral

Vanadinite

Vanadinite (Pb5(VO4)3Cl)

Pink Lepidolite (Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)) — mineral

Pink Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Faceted transparent gemstone, likely glass or cubic zirconia (Uncertain from image; possible cubic zirconia (zirconium dioxide, ZrO₂) or glass imitation) — gemstone

Faceted transparent gemstone, likely glass or cubic zirconia

Uncertain from image; possible cubic zirconia (zirconium dioxide, ZrO₂) or glass imitation

Gossan (Iron Hat) (Hydrous Iron Oxides (predominantly Goethite FeO(OH) and Limonite)) — mineral

Gossan (Iron Hat)

Hydrous Iron Oxides (predominantly Goethite FeO(OH) and Limonite)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Beryl (Aquamarine) (Be3Al2Si6O18) — mineral

Beryl (Aquamarine)

Be3Al2Si6O18

Moss Agate (Chalcedony (SiO2) with inclusions of manganese or iron oxides) — mineral

Moss Agate

Chalcedony (SiO2) with inclusions of manganese or iron oxides

Moss Agate (Silicon dioxide (SiO2) with inclusions) — Mineral

Moss Agate

Silicon dioxide (SiO2) with inclusions

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Quartz (River Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Gold-bearing Quartz Ore (Auriferous Quartz (SiO2 with Au)) — mineral

Gold-bearing Quartz Ore

Auriferous Quartz (SiO2 with Au)

Limonite and Goethite (Limonite (hydrated iron(III) oxide-hydroxide) and Goethite (α-FeO(OH))) — mineral

Limonite and Goethite

Limonite (hydrated iron(III) oxide-hydroxide) and Goethite (α-FeO(OH))

Beryl (likely Emerald or Aquamarine in matrix) (Beryllium aluminum silicate (Be3Al2Si6O18)) — mineral

Beryl (likely Emerald or Aquamarine in matrix)

Beryllium aluminum silicate (Be3Al2Si6O18)