Gemstone jewelry ensemble
Likely mixed gemstone and glass-bead jewelry; exact stones cannot be determined from the image
Category
Browse mineral (processed metal) specimens identified by the Rock Identifier community.
Gemstone jewelry ensemble
Likely mixed gemstone and glass-bead jewelry; exact stones cannot be determined from the image
Beaded mineral/crystal jewelry (likely turquoise and coral accents)
Variable; blue beads may be turquoise (CuAl6(PO4)4(OH)8·4H2O), with possible dyed howlite, glass, or composite materials
Faceted gemstone pendant, likely quartz or citrine
Indeterminate from photograph; likely quartz (SiO₂), possibly yellow citrine or treated quartz
Cut faceted gemstone, possibly diamond or quartz
Uncertain from the blurred image; diamond is crystalline carbon (C), while quartz is silicon dioxide (SiO₂)
Iron-stained quartz-bearing rock (likely gold-bearing quartz vein fragment)
Quartz (SiO₂) with iron oxides/hydroxides, possibly limonite/goethite and minor sulfides
Slag
Anthropogenic silicate slag
Bauxite
Aluminium ore (Hydrated aluminium oxides AlOx(OH)3-2x)
Gold-bearing quartz vein in dark host rock
Native gold (Au) with quartz (SiO₂), likely in slate, schist, or altered volcanic rock
White chalcedony cabochon ring
Chalcedony (microcrystalline quartz, SiO₂), likely white quartz variety
Gold-colored gemstone ring, likely citrine or glass imitation
Indeterminate from image; possible quartz (SiO₂) or yellow glass set in gold-colored metal
Aura Quartz (Anomalously Coated Quartz)
Silicon Dioxide (SiO2) treated with vaporized metals
Metal Chain (Likely Steel or a Steel Alloy)
Steel (primarily iron and carbon); specific alloy unknown
Aura Quartz
Silicon Dioxide (SiO2) with metallic vapor coating
Gold in Quartz or Basalt
Native Gold (Au)
Magnetite (lodestone), possibly meteoritic iron
Magnetite, Fe₃O₄; exact identification is uncertain from the image alone
Red cabochon gemstone, likely carnelian or dyed chalcedony
Chalcedony (microcrystalline quartz), SiO₂; exact identification requires testing
Aluminum Slag
Anthropogenic Aluminum (Al)
Slag Glass
Silicon dioxide with impurities
Man-made Metal Pin (Non-geological)
Antimony-Lead Alloy or Zinc/Brass Base with Electroplating
Metallic sulfide mineral specimen, likely pyrite-bearing ore
Likely pyrite (FeS₂), possibly mixed with other sulfides or host rock
Blue glass-like heart pendant, likely synthetic blue spinel or colored glass
Unconfirmed; possibly synthetic spinel (MgAl₂O₄) or cobalt-colored glass
Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
Aura Quartz (Titanium/Gold coated)
Silicon Dioxide (SiO2) with metallic vapor deposition
Green cabochon ring stone (likely dyed jade, aventurine, or glass imitation)
Undetermined; possible nephrite jade (Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂), jadeite (NaAlSi₂O₆), or green aventurine quartz
Goldstone (Brown/Gold)
Aventurine Glass (Man-made glass with Copper inclusions)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) in matrix
Likely blue glass or synthetic gemstone jewelry
Uncertain; possibly synthetic spinel, cubic zirconia, or blue glass
Red gemstone ring, likely synthetic ruby or red spinel
Ruby: corundum (Al₂O₃); spinel: MgAl₂O₄; exact identity requires testing
Likely yellow quartz gemstone ring
Quartz (SiO₂), possibly heat-treated citrine or lemon quartz; metal setting appears to be brass/gold-colored alloy
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
Gold Nugget
Gold (Au)
Red coral earrings
Corallium rubrum or related precious coral (calcareous coral skeleton; primarily aragonite, CaCO₃)
Gold Ore
Auriferous rock containing native gold (Au)
Likely citrine or yellow glass imitation in a silver-tone bracelet
Citrine: quartz, SiO₂; exact material cannot be confirmed visually
Beaded gemstone bracelet
Indeterminate; likely small polished mineral beads, possibly turquoise or dyed stone, with metal and glass components
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.
Copper Buddha Pendant
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
Amethyst and smoky quartz jewelry
Amethyst: purple quartz, SiO₂; likely smoky quartz: irradiated/naturally colored quartz, SiO₂
Emerald and diamond ring
Emerald: beryl, Be3Al2Si6O18, colored green by chromium and/or vanadium; surrounding stones appear to be diamonds, crystalline carbon (C)