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