N/A - Man-made object (Jewelry Chain)
Antiqued or Oxidized Metal Chain (often Steel or Brass)
Category
Browse mineral (processed metal) specimens identified by the Rock Identifier community.
N/A - Man-made object (Jewelry Chain)
Antiqued or Oxidized Metal Chain (often Steel or Brass)
Metal Chain Belt with Square Plates
Not applicable (man-made)
Silver (Native or Alloyed)
Ag (Argentum)
Gold (10K Alloy)
Aurum (Au) with alloying metals (Cu, Ag, Zn)
Slag
Ferrous slag (by-product of iron smelting)
Gold (Processed)
Gold (Au)
Aluminum Slag
Anthropogenic Aluminum (Al)
Metal Chain (Likely Steel or a Steel Alloy)
Steel (primarily iron and carbon); specific alloy unknown
Man-made Metal Pin (Non-geological)
Antimony-Lead Alloy or Zinc/Brass Base with Electroplating
Buffalo Nickel (Indian Head Nickel)
Cupronickel (75% Copper, 25% Nickel)
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
Slag (Industrial By-product)
Anthropogenic Vitreous Silica/Iron Silicate
Green Aura Quartz (Titanium treated Kyanite or Quartz)
Silicon Dioxide (SiO2) or Aluminum Silicate (Al2SiO5) with Titanium/Metal Oxide coating
Diamond Plate (Steel)
Alloyed Carbon Steel or Aluminum with 'Durbar' pattern
Man-made Jewelry Charm (Enameled Metal)
Not a natural mineral; composed of base metal alloy (likely zinc or brass) and epoxy resin/enamel.
Metal Alloy (Likely Pewter or Sterling Silver)
Not a natural geological specimen; composed of refined metals. If pewter, it's a tin-based alloy. If sterling silver, it's 92.5% silver and 7.5% other metals (usually copper).
Silver (Sterling Silver)
Argentum (Ag) mixed with Copper (Cu); Formula: Ag+Cu
Metal Alloy (Jewelry)
Not a naturally occurring rock or mineral; likely a metal alloy for jewelry. Possible compositions include sterling silver (92.5% silver, 7.5% copper), or other silver/gold alloys.
Gold Ore (Auriferous Quartz with Chalcopyrite/Pyrite)
Au (Native Gold) in Quartz (SiO2) with FeS2 (Pyrite) or CuFeS2 (Chalcopyrite)
Gold Ore
Gold-bearing Quartz (Native Gold, Au)
Iron Slag
Anthropogenic Vitreous Ferrous Silicate
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement (primarily SiO2 with Fe2O3/FeOOH)
Ring with an Orange Inlay
N/A (Man-made object)
Lepidolite on Matrix
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Wallboard/Drywall (Gypsum-based)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Gold
Native Gold (Au)
Bismuth Crystal
Bismuth (Bi)
Bauxite
Bauxite (Mixture of Hydrous Aluminum Oxides)
Gypsum Wallboard (Drywall)
Hydrous calcium sulfate (CaSO4·2H2O)
Copper Ore (with Azurite and Malachite)
Cuprite, Azurite (Cu3(CO3)2(OH)2), Malachite (Cu2(CO3)(OH)2)
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Gold
Gold (Au)
Man-made Synthetic Material (Plastic/Composite)
Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within Sedimentary or Igneous Matrix
Iron Slag
Anthropogenic Iron Silicate
Aura Quartz Geodes (Lab-Altered)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition
Jewelry Chain with Blue and Clear Gemstones (Likely Cubic Zirconia)
Cubic Zirconia (ZrO₂), Silver or White Gold/Platinum Alloy
Iron Slag
Iron/Steel Slag (Ferrosilicate Glass)
Titanium-coated Metal Cube (Man-made Fidget Toy)
Titanium-anodized or electroplated alloy (e.g., Ti-coated Zinc or Aluminum)
Yellow Beryl (Heliodor)
Beryllium aluminum silicate (Be3Al2Si6O18)
Gypsum (Wallboard/Drywall)
Calcium Sulfate Dihydrate (CaSO4·2H2O)
Cubic Zirconia (CZ) Jewelry
Zirconium dioxide (ZrO2)