Aquamarine
Beryl (Be3Al2Si6O18 with trace Fe2+)
mineral
Category
Mineral (Native Element Alloy)
Browse mineral (native element alloy) specimens identified by the Rock Identifier community.
Gold Nugget
Native Gold (Au)
mineral
Iron Meteorite (likely Chondrite or weathered Iron-Nickel)
Meteorite (Fe-Ni alloy & silicates)
igneous
Native Gold
Native Gold (Au)
mineral
Gold-bearing Quartz
Native Gold (Au) in Quartz (SiO2) matrix
mineral
Gold Nugget (Placer Gold)
Native Gold (Au)
mineral
Fossilized Bone Fragment
Permineralized Skeletal Element (Likely Vertebrate)
sedimentary
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
mineral
Granite (with Beryl/Aquamarine)
Granite (Feldspar, Quartz, Mica, and Beryl Be3Al2Si6O18)
igneous
Gold in Quartz Matrix
Native Gold (Au) with Quartz (SiO2) and Slate/Shale
mineral
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Gold
Native Gold (Au)
mineral
Gold Nugget
Native Gold (Au)
mineral
Titanium-coated Metal Cube (Man-made Fidget Toy)
Titanium-anodized or electroplated alloy (e.g., Ti-coated Zinc or Aluminum)
Mineral alternative / Synthetic
Gold Nugget
Native Gold (Au)
mineral
Sandstone (Quartzite Pebble)
Arenite / Metamorphosed Sandstone (SiO2)
sedimentary
Celestite (Celestine)
Strontium sulfate (SrSO4)
mineral
Celestite (Celestine)
Strontium sulfate (SrSO4)
mineral
Nickel coin (U.S. currency)
Cupronickel (75% Copper, 25% Nickel alloy)
man-made alloy (metallic)
Vanadinite
Lead Chlorovanadate, Pb5(VO4)3Cl
mineral
Beryl (Emerald Variety)
Beryllium aluminum silicate (Be3Al2(SiO3)6) with chromium/vanadium traces
mineral
Aquamarine
Beryl (Be3Al2Si6O18 with iron traces)
mineral
Vanadinite
Lead Chlorovanadate - Pb5(VO4)3Cl
mineral
Lepidolite on Pegmatite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Amygdaloidal Basalt
Basalt with secondary mineral infilling
igneous
Arsenopyrite
Arsenopyrite (FeAsS)
mineral
Gold Nugget
Native Gold (Au)
mineral
Gold
Native Gold (Au)
mineral
Gold
Native Gold (Au)
Mineral
Gold
Native Gold (Au)
mineral
Gold
Native Gold (Au)
mineral
Gold Nugget
Native Gold (Au)
mineral
Gold
Native Gold (Au)
mineral
Gold Nugget
Native Gold (Au)
mineral
Gold Nugget
Native Gold (Au)
mineral
Natural Gold Nugget
Native Gold (Au)
mineral
Gold Nugget
Native Gold (Au)
mineral
Gold
Native Gold (Au)
mineral
Gold Nugget
Native Gold (Au)
mineral
Gold
Native Gold (Au)
mineral
Gold Nugget
Native Gold (Au)
mineral
Sulfur (with possible Cullet Glass or Slag imitation)
Native Sulfur (S8)
mineral