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

Iron-stained quartz-bearing rock (Quartz (SiO₂), likely in a limonite/goethite-rich matrix) — mineral

Iron-stained quartz-bearing rock

Quartz (SiO₂), likely in a limonite/goethite-rich matrix

Gold (Native Gold (Au)) — mineral

Gold

Native Gold (Au)

Native Copper (Native Copper (Cu)) — mineral

Native Copper

Native Copper (Cu)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Bismuth Crystal (Bismuth (Bi)) — mineral

Bismuth Crystal

Bismuth (Bi)

Blue Sapphire and Diamond (Set in Metal) (Corundum (Al2O3) and Diamond (C)) — mineral

Blue Sapphire and Diamond (Set in Metal)

Corundum (Al2O3) and Diamond (C)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Lepidolite and Tiger's Eye (K(Li,Al)3(Si,Al)4O10(F,OH)2 (Lepidolite) / SiO2 (Quartz/Tiger's Eye)) — mineral

Lepidolite and Tiger's Eye

K(Li,Al)3(Si,Al)4O10(F,OH)2 (Lepidolite) / SiO2 (Quartz/Tiger's Eye)

Native Copper (Native Copper (Cu)) — mineral

Native Copper

Native Copper (Cu)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Chalcopyrite on Quartz (Copper Iron Sulfide (CuFeS2)) — mineral

Chalcopyrite on Quartz

Copper Iron Sulfide (CuFeS2)

Tree Agate (Chalcedony (SiO2) with Dendritic inclusions) — mineral

Tree Agate

Chalcedony (SiO2) with Dendritic inclusions

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Intrusive igneous rock) — igneous

Granite

Intrusive igneous rock

Native Copper (Native Copper (Cu)) — mineral

Native Copper

Native Copper (Cu)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Native gold in quartz matrix (Native gold (Au), with quartz (SiO₂) and possibly sulfide minerals) — mineral

Native gold in quartz matrix

Native gold (Au), with quartz (SiO₂) and possibly sulfide minerals

Quartz Vein in Host Rock (Silicon Dioxide (SiO2) within Metasedimentary or Igneous Matrix) — metamorphic

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) within Metasedimentary or Igneous Matrix

Granite Pebble (Phaneritic intrusive igneous rock) — igneous

Granite Pebble

Phaneritic intrusive igneous rock

Native copper nugget (Copper (Cu), often with cuprite or copper-oxide surface) — mineral

Native copper nugget

Copper (Cu), often with cuprite or copper-oxide surface

Cream Marble (Speckled) (Metamorphosed Limestone (mainly CaCO3)) — metamorphic

Cream Marble (Speckled)

Metamorphosed Limestone (mainly CaCO3)

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

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) in matrix

Turquoise cabochon pendant (Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O; likely stabilized or imitation turquoise) — mineral

Turquoise cabochon pendant

Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O; likely stabilized or imitation turquoise

Possible weathered iron-rich rock or slag fragment (Indeterminate; likely limonite/goethite-bearing material, possibly iron slag) — mineral

Possible weathered iron-rich rock or slag fragment

Indeterminate; likely limonite/goethite-bearing material, possibly iron slag

Iron Slag (Iron/Steel Slag (Ferrosilicate Glass)) — industrial byproduct (anthropogenic material)

Iron Slag

Iron/Steel Slag (Ferrosilicate Glass)

industrial byproduct (anthropogenic material)

Emerald in Matrix (Beryl (Be3Al2Si6O18) containing Chromium/Vanadium impurities) — mineral

Emerald in Matrix

Beryl (Be3Al2Si6O18) containing Chromium/Vanadium impurities

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Black tourmaline (likely schorl), polished cabochon (Schorl tourmaline, NaFe3Al6(BO3)3Si6O18(OH)4) — mineral

Black tourmaline (likely schorl), polished cabochon

Schorl tourmaline, NaFe3Al6(BO3)3Si6O18(OH)4

Milky Quartz (Quartz (Silica / Silicon Dioxide - SiO2)) — mineral

Milky Quartz

Quartz (Silica / Silicon Dioxide - SiO2)

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

Polished moss agate pendant (Moss agate, a chalcedony variety of microcrystalline quartz (SiO₂), with green chlorite/actinolite inclusions) — mineral

Polished moss agate pendant

Moss agate, a chalcedony variety of microcrystalline quartz (SiO₂), with green chlorite/actinolite inclusions

Beryl (Aquamarine) (Beryllium aluminum silicate (Be3Al2Si6O18)) — mineral

Beryl (Aquamarine)

Beryllium aluminum silicate (Be3Al2Si6O18)

Rainbow Hematite / Magnetic Hematite (Iron oxide (Fe2O3) - often synthetic/coated for beads) — mineral

Rainbow Hematite / Magnetic Hematite

Iron oxide (Fe2O3) - often synthetic/coated for beads

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

Granite Pebble (Granite) — igneous

Granite Pebble

Granite

Titanium Aura Quartz (Titanium-coated Silicon Dioxide (SiO2)) — gemstone

Titanium Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Granite Boulder (Felsic Intrusive Igneous Rock) — igneous

Granite Boulder

Felsic Intrusive Igneous Rock

Green aventurine pendant (likely) (Quartz, SiO₂, with green fuchsite inclusions (aventurescent quartz)) — mineral

Green aventurine pendant (likely)

Quartz, SiO₂, with green fuchsite inclusions (aventurescent quartz)