Rock Identifier

Category

Mineral, Metal (Element)

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

Learn about Mineral, Metal (Element) in the encyclopedia

Sulfur

Carbonatite

Cassiterite

Euxenite

Sperrylite

Brookite

Pyrite

Acanthite

Aventurine Feldspar

Aventurine Feldspar

Galena

Bronzite

Gold Sheen Obsidian

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

Lepidolite

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

Celestite (Celestine) (Celestine (Strontium Sulfate, SrSO4)) — Mineral

Celestite (Celestine)

Celestine (Strontium Sulfate, SrSO4)

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

Milky Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

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

Sunstone

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

Cobalt Blue Glass / Cullet Glass (Silicon dioxide (Amorphous man-made glass)) — mineral

Cobalt Blue Glass / Cullet Glass

Silicon dioxide (Amorphous man-made glass)

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

Galena

Lead(II) sulfide (PbS)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

N/A - Man-made object (Jewelry Chain) (Antiqued or Oxidized Metal Chain (often Steel or Brass)) — Mineral (processed metal)

N/A - Man-made object (Jewelry Chain)

Antiqued or Oxidized Metal Chain (often Steel or Brass)

Mineral (processed metal)

Opalite (Synthetic Opalized Glass) — gemstone

Opalite

Synthetic Opalized Glass

Gold in Quartz Matrix (Native Gold (Au) with Quartz (SiO2) and Slate/Shale) — mineral

Gold in Quartz Matrix

Native Gold (Au) with Quartz (SiO2) and Slate/Shale

Granite (Intrusive igneous rock primarily composed of quartz, alkali feldspar, and plagioclase) — igneous

Granite

Intrusive igneous rock primarily composed of quartz, alkali feldspar, and plagioclase

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Iron-stained Quartz (Gossan/Limonite-coated Quartz) (Silicon Dioxide (SiO2) with Hydrated Iron Oxides (FeO(OH)·nH2O)) — mineral

Iron-stained Quartz (Gossan/Limonite-coated Quartz)

Silicon Dioxide (SiO2) with Hydrated Iron Oxides (FeO(OH)·nH2O)

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

Man-made Slag (Industrial Byproduct)

Anthropogenic Glassy Residue

not a natural rock

Quartz Vein Rock (Quartz (Silicon Dioxide, SiO2)) — igneous

Quartz Vein Rock

Quartz (Silicon Dioxide, SiO2)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Rose Quartz and Lepidolite in Pegmatite (Crystalline Silicon Dioxide (SiO2) with Lithium-rich Mica (K(Li,Al)3(Al,Si)4O10(F,OH)2)) — igneous

Rose Quartz and Lepidolite in Pegmatite

Crystalline Silicon Dioxide (SiO2) with Lithium-rich Mica (K(Li,Al)3(Al,Si)4O10(F,OH)2)

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

Gossan (Limonite/Goethite)

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

Granite (Intrusive igneous rock) — igneous

Granite

Intrusive igneous rock

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)

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

Red Sandstone

Quartz Arenite (with Iron Oxide)

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)

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)

Native Copper (Native Copper (Cu)) — mineral

Native Copper

Native Copper (Cu)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

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

Gold-bearing Quartz Ore

Auriferous Quartz (SiO2 with Au)

Amethyst cabochon jewelry (Amethyst, purple variety of quartz (SiO₂)) — gemstone

Amethyst cabochon jewelry

Amethyst, purple variety of quartz (SiO₂)

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))

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz Vein in Matrix (Gneiss/Schist) (Silicon Dioxide (SiO2) in Metamorphic Rock Matrix) — metamorphic

Quartz Vein in Matrix (Gneiss/Schist)

Silicon Dioxide (SiO2) in Metamorphic Rock Matrix

Lepidolite in Mica Schist (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) — metamorphic

Lepidolite in Mica Schist

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

Serpentinite (Serpentinite (Mg, Fe, Ni)3Si2O5(OH)4) — metamorphic

Serpentinite

Serpentinite (Mg, Fe, Ni)3Si2O5(OH)4

Quartz Vein in Host Rock (Silicon Dioxide (SiO2)) — mineral with metamorphic or sedimentary host

Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

mineral with metamorphic or sedimentary host

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)

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

Amethyst (in jewelry)

Silicon Dioxide (SiO2) with iron impurities

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

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))