Bornite
Copper Iron Sulfide (Cu5FeS4)
Category
Browse mineral (man enhanced) specimens identified by the Rock Identifier community.
Bornite
Copper Iron Sulfide (Cu5FeS4)
Blue Sapphire (Ceylon)
Corundum (Al2O3) with traces of Iron and Titanium
Agate
Agate (Silicon Dioxide, SiO2)
Man-made earbud charging case (Not a rock or mineral)
Acrylonitrile Butadiene Styrene (ABS) Plastic with electronic components
African Turquoise (Jasper)
Quartz (SiO2) with impurities (Epidote/Amphibole)
Lapis Lazuli
Lapis Lazuli (a rock, not a single mineral; primary mineral is Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2
Moonstone
Adularia (orthoclase feldspar variety)
Blue glassy mineral specimen, possibly dyed or synthetic
Uncertain; possible blue fluorite (CaF₂), dyed chalcedony, or man-made glass
Dyed Quartz Pendant
Silicon Dioxide (SiO2) with artificial dye
Pink Dyed Agate
Silicon Dioxide (SiO2) with synthetic pigment
Pink Cubic Zirconia (CZ)
Zirconium Dioxide (ZrO2)
Diamond
C (Carbon)
Mixed Gemstone Beaded Jewelry
Various minerals (e.g., Quartz varieties like Rose Quartz, Amethyst; Peridot; Garnet; etc.)
Opalite (Man-made Glass)
Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)
Blue Agate (Dyed)
Silicon Dioxide (SiO2) with artificial pigment
Ruby
Corundum (Al2O3:Cr)
Blue Sphalerite (likely dyed or treated Druzy Quartz/Agate)
Zinc Sulfide (ZnS) or Silicon Dioxide (SiO2) with trade-name enhancement
Green sea glass or tumbled green quartz (uncertain)
Likely quartz (SiO₂) if natural; alternatively man-made soda-lime glass
Aventurine
Quartz containing inclusions of Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Green Glass (often marketed as 'Obsidian' or 'Green Quartz')
Amorphous Silica (SiO2) with copper or chromium additives
Opalite-style pendant (likely synthetic glass, not natural opal)
Opalescent glass; commonly sold as “opalite” (not a recognized mineral species)
Goldstone (aventurine glass)
Man-made copper-bearing glass; not a natural mineral (commonly sold as blue/brown goldstone)
Goldstone (with Tiger's Eye and Quartz)
Aventurine glass (Synthetic SiO2 with Cu inclusions)
Sea Glass
Amorphous silicon dioxide (SiO2) - Man-made glass tumbled by nature
Green glass cabochon or tumbled stone
Indeterminate; likely man-made glass, possibly aventurine glass rather than a natural mineral
Vesicular basalt (weathered scoria)
Scoriaceous basalt; chiefly plagioclase, clinopyroxene, olivine, and iron-titanium oxides
Quartz (likely Jasper or Chert variety)
Quartz (SiO₂)
Man-made Slag (Industrial Byproduct)
Anthropogenic Glassy Residue
Rainbow Hematite (Man-made/Treated)
Tumbled Hematite with Titanium/Anodized coating (Iron(III) oxide, Fe2O3)
Polished serpentine pebble
Serpentinite, chiefly serpentine-group minerals (antigorite/lizardite; approximate formula Mg3Si2O5(OH)4)
Libyan Desert Glass
Impact-melt silica glass (SiO2 + traces of Al, Fe, Ti)
Goldstone (brown goldstone)
Man-made aventurine glass, typically copper-bearing silica glass
Man-made Dyed Aura Quartz
Silicon Dioxide (SiO2) with metallic coating/dye
Dalmatian jasper
Porphyritic microcrystalline quartz-rich rock, commonly sold as Dalmatian jasper; spots are chiefly arfvedsonite/amphibole minerals, sometimes altered feldspar
Bornite
Cu5FeS4
Peacock Ore
Bornite (Cu5FeS4) with surface tarnish
Polymictic conglomerate or breccia (possibly concrete-like aggregate)
Lithified polymictic gravel; clasts may include basalt, granite, quartzite, and other silicates
Blue Goldstone
Aventurine Glass
Tumbled opalite (likely synthetic glass)
Opalite; typically man-made opalescent soda-lime glass, not a recognized mineral species
Man-made Crystal (Lead Glass)
Lead oxide-doped Silica Glass (approx. SiO2 + PbO)
Ferro-silicate Slag
Industrial Vitrified Slag (High-silica amorphous glass)
Black Onyx
Silicon Dioxide (SiO2)