Rock Identifier

Category

Mineral (Processed Metal)

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

Learn about Mineral (Processed Metal) in the encyclopedia

Cassiterite

Sperrylite

Brookite

Pyrite

Acanthite

Aventurine Feldspar

Aventurine Feldspar

Galena

Bronzite

Gold Sheen Obsidian

Opalite (Man-made Glass) (Synthetic Opalised Glass) — mineral

Opalite (Man-made Glass)

Synthetic Opalised Glass

Limonite and Goethite on Gossan (FeO(OH)·nH2O) — mineral

Limonite and Goethite on Gossan

FeO(OH)·nH2O

Pink faceted gemstone, likely amethyst or pink quartz (Quartz (SiO₂), likely pale amethyst; exact identification requires testing) — gemstone

Pink faceted gemstone, likely amethyst or pink quartz

Quartz (SiO₂), likely pale amethyst; exact identification requires testing

Pink Granite (Granite (Phaneritic Quartz-Feldspar rock)) — igneous

Pink Granite

Granite (Phaneritic Quartz-Feldspar rock)

Native Copper (Native Copper (Cu)) — mineral

Native Copper

Native Copper (Cu)

Polished smoky quartz or brown chalcedony pebble (Silicon dioxide (SiO₂), likely quartz/chalcedony with iron-oxide inclusions) — mineral

Polished smoky quartz or brown chalcedony pebble

Silicon dioxide (SiO₂), likely quartz/chalcedony with iron-oxide inclusions

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Limonite and Goethite encrusted Quartz (Iron-stained Gossan) (FeO(OH)·nH2O (Limonite) / FeO(OH) (Goethite) on SiO2 (Quartz)) — mineral

Limonite and Goethite encrusted Quartz (Iron-stained Gossan)

FeO(OH)·nH2O (Limonite) / FeO(OH) (Goethite) on SiO2 (Quartz)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Opalite (Synthetic Opalite Glass / Opalized Glass) — gemstone

Opalite

Synthetic Opalite Glass / Opalized Glass

Quartz (Clear or Milky) (Silicon Dioxide (SiO2)) — mineral

Quartz (Clear or Milky)

Silicon Dioxide (SiO2)

Quartz Vein in Host Rock (Crystalline Silicon Dioxide (SiO2) in Igneous/Metamorphic Matrix) — mineral

Quartz Vein in Host Rock

Crystalline Silicon Dioxide (SiO2) in Igneous/Metamorphic Matrix

Silicon (Industrial Grade) (Elemental Silicon (Si)) — mineral

Silicon (Industrial Grade)

Elemental Silicon (Si)

Quartz Vein in Host Rock (Silicon Dioxide (SiO2) in matrix) — mineral

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) in matrix

Polished native copper (Native copper (Cu), likely with cuprite/tenorite oxidation products) — mineral

Polished native copper

Native copper (Cu), likely with cuprite/tenorite oxidation products

Turquoise inlay ring (Turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O) — gemstone

Turquoise inlay ring

Turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O

Emerald and Diamond (Jewelry Setting) (Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities) and Carbon (C)) — mineral

Emerald and Diamond (Jewelry Setting)

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities) and Carbon (C)

Lavender Quartz (appearing as beads) and Druzy Quartz (Silicon Dioxide (SiO2)) — mineral

Lavender Quartz (appearing as beads) and Druzy Quartz

Silicon Dioxide (SiO2)

Quartz Vein in Host Rock (Gossanous Matrtix) (Silicon Dioxide (SiO2) with iron oxides (Limonite/Hematite)) — mineral

Quartz Vein in Host Rock (Gossanous Matrtix)

Silicon Dioxide (SiO2) with iron oxides (Limonite/Hematite)

Blue glass-like bead or gemstone keychain ornament (Indeterminate; likely cobalt-blue glass or synthetic blue spinel, not identifiable as a natural mineral from the image) — gemstone

Blue glass-like bead or gemstone keychain ornament

Indeterminate; likely cobalt-blue glass or synthetic blue spinel, not identifiable as a natural mineral from the image

Granite (Intrusive igneous rock) — igneous

Granite

Intrusive igneous rock

Copper Ore (with Malachite/Chrysocolla and Iron Oxides) (Secondary Copper Minerals (Cu2(CO3)(OH)2 / (Cu,Al)2H2Si2O5(OH)4·nH2O)) — mineral

Copper Ore (with Malachite/Chrysocolla and Iron Oxides)

Secondary Copper Minerals (Cu2(CO3)(OH)2 / (Cu,Al)2H2Si2O5(OH)4·nH2O)

Opalite (Synthetic Glass (SiO2 + impurities)) — mineral

Opalite

Synthetic Glass (SiO2 + impurities)

Blue Calcite (Calcite (Calcium Carbonate, CaCO3)) — mineral

Blue Calcite

Calcite (Calcium Carbonate, CaCO3)

Turquoise cabochon ring (Turquoise — hydrated copper aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O) — gemstone

Turquoise cabochon ring

Turquoise — hydrated copper aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O

Limonite (Gossan) (FeO(OH)·nH2O (Hydrated Iron Oxide)) — mineral

Limonite (Gossan)

FeO(OH)·nH2O (Hydrated Iron Oxide)

Pyrite (on a metal substrate) (Iron Sulfide (FeS2)) — mineral

Pyrite (on a metal substrate)

Iron Sulfide (FeS2)

Serpentinite (Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4) — metamorphic

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Amethyst ring (Amethyst, purple quartz (SiO₂)) — gemstone

Amethyst ring

Amethyst, purple quartz (SiO₂)

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

Pyrite in Matrix

Iron Sulfide (FeS2)

Diamond (set in jewelry) (Diamond (Carbon, C)) — mineral

Diamond (set in jewelry)

Diamond (Carbon, C)

Diamond (in a gold ring) (Diamond (pure carbon, C)) — mineral

Diamond (in a gold ring)

Diamond (pure carbon, C)

Native gold nugget or flake (Native gold (Au), possibly with minor silver/electrum) — mineral

Native gold nugget or flake

Native gold (Au), possibly with minor silver/electrum

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

Sunstone

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

Sandstone (Ferruginous) (Arenite (primarily SiO2 with Fe2O3 inclusions)) — sedimentary

Sandstone (Ferruginous)

Arenite (primarily SiO2 with Fe2O3 inclusions)

Blue-green cabochon pendant, likely turquoise or composite turquoise (Turquoise: hydrated copper aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O; exact identification is uncertain from the blurred image) — gemstone

Blue-green cabochon pendant, likely turquoise or composite turquoise

Turquoise: hydrated copper aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O; exact identification is uncertain from the blurred image

Granite (Granite (Felsic intrusive igneous rock)) — igneous

Granite

Granite (Felsic intrusive igneous rock)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Gold Nuggest (Native Gold (Au)) — mineral

Gold Nuggest

Native Gold (Au)

Silver (Jewelry form) (Native Silver (Ag)) — mineral

Silver (Jewelry form)

Native Silver (Ag)

Peridot (Olivine) (Magnesium Iron Silicate (Mg, Fe)2SiO4) — mineral

Peridot (Olivine)

Magnesium Iron Silicate (Mg, Fe)2SiO4