Rock Identifier

Category

Mineral (Processed Alloy)

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

Bismuth Crystal (Bismuth (Bi)) — mineral

Bismuth Crystal

Bismuth (Bi)

Aquamarine (Beryllium aluminum silicate (Be3Al2Si6O18)) — mineral

Aquamarine

Beryllium aluminum silicate (Be3Al2Si6O18)

Native Gold Flake (Gold (Au)) — mineral

Native Gold Flake

Gold (Au)

Gold Nugget (Gold (Au)) — mineral

Gold Nugget

Gold (Au)

Native Gold Nugget (Native Gold (Au)) — mineral

Native Gold Nugget

Native Gold (Au)

Celestite (Celestine) (Strontium sulfate (SrSO4)) — mineral

Celestite (Celestine)

Strontium sulfate (SrSO4)

Iron Meteorite (likely an Individual specimen) (Iron Meteorite (Group IAB, IIAB, IIIAB, etc., Fe-Ni alloy)) — igneous

Iron Meteorite (likely an Individual specimen)

Iron Meteorite (Group IAB, IIAB, IIIAB, etc., Fe-Ni alloy)

Tiffany Stone (Bertrandite (Be4Si2O7(OH)2) mixed with Fluorite (CaF2), Opal, and Chalcedony) — mineral

Tiffany Stone

Bertrandite (Be4Si2O7(OH)2) mixed with Fluorite (CaF2), Opal, and Chalcedony

Bauxite (Aluminum Ore) (Hydrated aluminum oxides, primarily Al(OH)3, AlO(OH)) — sedimentary

Bauxite (Aluminum Ore)

Hydrated aluminum oxides, primarily Al(OH)3, AlO(OH)

Pink/red faceted gemstone, likely synthetic ruby or pink sapphire (Corundum, aluminum oxide (Al₂O₃); likely lab-grown or treated material) — gemstone

Pink/red faceted gemstone, likely synthetic ruby or pink sapphire

Corundum, aluminum oxide (Al₂O₃); likely lab-grown or treated material

Gold Ore (in Quartz/Gossan matrix) (Native Gold (Au) in Limonite/Quartz matrix) — mineral

Gold Ore (in Quartz/Gossan matrix)

Native Gold (Au) in Limonite/Quartz matrix

Silver (Native Element) (Silver (Ag) in an alloy of 90% Silver and 10% Copper) — mineral

Silver (Native Element)

Silver (Ag) in an alloy of 90% Silver and 10% Copper

Chondrite Meteorite (Ordinary Chondrite (Fe-Ni alloy, Olivine, Pyroxene)) — Mineral

Chondrite Meteorite

Ordinary Chondrite (Fe-Ni alloy, Olivine, Pyroxene)

Iridium sand or Osmium-Iridium nugget (Iridosmine / Osmiridium (Platinoid grouping)) — mineral

Iridium sand or Osmium-Iridium nugget

Iridosmine / Osmiridium (Platinoid grouping)

Red Jasper (beads) (SiO₂ (Silicon Dioxide)) — Mineral, variety of chalcedony (microcrystalline quartz)

Red Jasper (beads)

SiO₂ (Silicon Dioxide)

Mineral, variety of chalcedony (microcrystalline quartz)

Lapis Lazuli (Lapis Lazuli (a rock type, not a single mineral; main component is Lazurite (Na,Ca)8[(S,Cl,SO4,OH)2|(Al6Si6O24)])) — Metamorphic Rock (primarily composed of minerals)

Lapis Lazuli

Lapis Lazuli (a rock type, not a single mineral; main component is Lazurite (Na,Ca)8[(S,Cl,SO4,OH)2|(Al6Si6O24)])

Metamorphic Rock (primarily composed of minerals)

Aquamarine (Beryl (Be3Al2Si6O18 with iron impurities)) — mineral

Aquamarine

Beryl (Be3Al2Si6O18 with iron impurities)

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

Lepidolite

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

Galena (Galena (lead sulfide, PbS)) — mineral

Galena

Galena (lead sulfide, PbS)

Likely metallic mineral specimen (Probably galena (lead sulfide, PbS), though visual identification is uncertain) — mineral

Likely metallic mineral specimen

Probably galena (lead sulfide, PbS), though visual identification is uncertain

Celestite (Celestine) (Strontium sulfate (SrSO4)) — mineral

Celestite (Celestine)

Strontium sulfate (SrSO4)

Likely galena-bearing ore specimen (Galena (PbS), possibly with quartz or calcite gangue) — mineral

Likely galena-bearing ore specimen

Galena (PbS), possibly with quartz or calcite gangue

Aquamarine (Beryl (Be3Al2Si6O18)) — mineral

Aquamarine

Beryl (Be3Al2Si6O18)

Galena-rich sulfide specimen (Galena (lead sulfide, PbS), possibly with sphalerite and oxidized sulfides) — mineral

Galena-rich sulfide specimen

Galena (lead sulfide, PbS), possibly with sphalerite and oxidized sulfides

Emerald / Fluorite (Beryl (Be3Al2Si6O18) / Fluorite (CaF2)) — mineral

Emerald / Fluorite

Beryl (Be3Al2Si6O18) / Fluorite (CaF2)

Synthetic Blue Aura Quartz (Silicon Dioxide (SiO2) with Metallic Infusion) — mineral (synthetic/man-made coating)

Synthetic Blue Aura Quartz

Silicon Dioxide (SiO2) with Metallic Infusion

mineral (synthetic/man-made coating)

Native Gold (Gold (Au)) — mineral

Native Gold

Gold (Au)

Silver (Native Element) (Ag (Argentum) - 90% Silver, 10% Copper alloy in specimen) — mineral

Silver (Native Element)

Ag (Argentum) - 90% Silver, 10% Copper alloy in specimen

Bismuth (Bismuth (Bi)) — mineral

Bismuth

Bismuth (Bi)

Galena (likely) (Galena, lead sulfide (PbS)) — mineral

Galena (likely)

Galena, lead sulfide (PbS)

Celestite (Celestine) (Strontium sulfate (SrSO4)) — mineral

Celestite (Celestine)

Strontium sulfate (SrSO4)

Copper (Native Copper (Cu)) — mineral

Copper

Native Copper (Cu)

Brown Jasper (Likely) (Jasper (Cryptocrystalline Silicon Dioxide - SiO2)) — Mineral

Brown Jasper (Likely)

Jasper (Cryptocrystalline Silicon Dioxide - SiO2)

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Likely galena-bearing ore (Galena (PbS), possibly mixed with quartz or carbonate gangue) — mineral

Likely galena-bearing ore

Galena (PbS), possibly mixed with quartz or carbonate gangue

US Penny (Cuprum (Copper: Cu) and Zincum (Zinc: Zn) Alloy) — Man-made object (metal alloy)

US Penny

Cuprum (Copper: Cu) and Zincum (Zinc: Zn) Alloy

Man-made object (metal alloy)

Metallic sulfide ore, likely galena-bearing rock (Galena (lead sulfide, PbS), possibly with pyrite or other sulfides) — mineral

Metallic sulfide ore, likely galena-bearing rock

Galena (lead sulfide, PbS), possibly with pyrite or other sulfides

Raw galena specimen (Galena (lead sulfide, PbS)) — mineral

Raw galena specimen

Galena (lead sulfide, PbS)

Metallic iron meteorite (probable) (Iron meteorite, typically kamacite–taenite (Fe–Ni alloy)) — meteorite

Metallic iron meteorite (probable)

Iron meteorite, typically kamacite–taenite (Fe–Ni alloy)

Galena-bearing ore (tentative) (Galena, lead sulfide (PbS), likely in a quartz/carbonate-rich matrix) — mineral

Galena-bearing ore (tentative)

Galena, lead sulfide (PbS), likely in a quartz/carbonate-rich matrix

Iron Meteorite (Iron Meteorite (primarily Kamacite and Taenite, Fe-Ni alloys)) — mineral

Iron Meteorite

Iron Meteorite (primarily Kamacite and Taenite, Fe-Ni alloys)

Iron Meteorite (Siderite (Iron-Nickel Alloy), predominantly Kamacite and Taenite (Fe, Ni)) — mineral

Iron Meteorite

Siderite (Iron-Nickel Alloy), predominantly Kamacite and Taenite (Fe, Ni)