Iron meteorite candidate
Probable iron-rich meteorite; possible stony-iron or weathered nickel–iron alloy
Category
Browse man made alloy (metallic) specimens identified by the Rock Identifier community.
Iron meteorite candidate
Probable iron-rich meteorite; possible stony-iron or weathered nickel–iron alloy
Bismuth crystal
Bismuth (Bi), commonly laboratory-grown
Arsenopyrite
Arsenopyrite (FeAsS)
Gold Nugget
Gold (Au)
Galena-bearing sulfide ore
Galena (lead sulfide, PbS), possibly with sphalerite and/or pyrite
Iron Meteorite
Iron-nickel alloy (primarily kamacite and taenite)
Dyed Crackle Quartz
Silicon Dioxide (SiO2) with synthetic dye
Goldstone (aventurine glass)
Synthetic copper-bearing soda-lime glass; commonly sold as red goldstone
Iron Meteorite
Iron-nickel alloy (primarily kamacite and taenite)
Copper ore (cupriferous rock)
Native copper with copper oxides, likely cuprite (Cu₂O) and malachite/azurite alteration
Galena-rich sulfide specimen
Galena (lead sulfide, PbS), possibly with sphalerite and oxidized sulfides
Dyed Dragon Vein Agate
Silicon Dioxide (SiO2) with artificial pigment
Galena
Galena (lead sulfide, PbS)
Bismuth crystal
Bismuth (Bi), commonly laboratory-grown hopper crystal
Gold Nuggests
Native Gold (Au)
Weathered concrete or cementitious slab (not natural rock)
Artificial calcium-silicate cement composite; likely Portland cement concrete
Metallic sulfide ore, likely galena-bearing rock
Galena (lead sulfide, PbS), possibly with pyrite or other sulfides
Iridescent bismuth crystal
Bismuth (Bi), commonly laboratory-grown and oxide-coated
Iron-rich meteorite candidate
Possibly an iron meteorite or stony-iron meteorite; unverified Fe–Ni alloy
Raw galena specimen
Galena (lead sulfide, PbS)
Blue Impression Jasper beads
Impression jasper (microcrystalline quartz/chalcedony), chiefly SiO₂, with iron-oxide and other mineral inclusions
Copper Ore (likely Chalcopyrite in Matrix)
Chalcopyrite (CuFeS2)
Man-made Carved Stone (Scream Mask/Skull motif)
Carved Soapstone or Serpentine-rich rock
Azurite with native copper
Azurite (Cu₃(CO₃)₂(OH)₂) with native copper (Cu)
Native Copper
Native Copper (Cu)
Gold bullion bars
Native gold (Au), likely cast or refined metal
Carved Mottled Greenish-Yellow Crystal/Glass Object
Unknown; possibly a form of quartz (chalcedony/jadeite/nephrite) or glass/resin.
Iron meteorite (likely etched or weathered iron meteorite)
Fe–Ni alloy, predominantly kamacite and taenite; possible ataxite/hexahedrite or coarse octahedrite
Likely iron meteorite fragment
Iron–nickel meteorite, primarily kamacite and taenite (Fe–Ni alloy)
Iron-rich meteorite candidate
Undetermined; possible stony-iron or iron meteorite, commonly kamacite–taenite alloy
Iron Meteorite
Iron-Nickel Meteorite (primarily composed of kamacite and taenite alloys)
Iridescent bismuth crystal
Bismuth (Bi), commonly laboratory-grown
Bismuth Crystal
Bismuth (Bi)
Iridium sand or Osmium-Iridium nugget
Iridosmine / Osmiridium (Platinoid grouping)
Native Copper
Native Copper (Cu)
Man-made Synthetic Material (Not a rock or mineral)
Polyester (Polyethylene terephthalate) / Faux Fur
Man-made Synthetic Material (Costume Faux Fur)
Synthetic Polymer (Polyester/Acrylic)
Blue Sapphire (Synthetic or Man-made Glass Imitation)
Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic
Terracotta (Man-made ceramic brick fragment)
Baked clay / High-iron ceramic (Silicate-based ceramic)
Bismuth Crystal
Bismuth (Bi)
Copper-bearing sulfide ore, possibly bornite/chalcopyrite
Likely bornite (Cu5FeS4) and/or chalcopyrite (CuFeS2) in a sulfide-rich host rock
Sunstone
(Ca,Na)((Al,Si)2Si2O8) - Plagioclase Feldspar