Man Made Alloy (Metallic)

Opalite-style pendant (likely synthetic glass, not natural opal)

Opalescent glass; commonly sold as “opalite” (not a recognized mineral species)

Bismuth

Bismuth (element Bi) with oxidized thin-film interference layer

Silicon

Crystalline Silicon (Si)

Arsenopyrite

Arsenopyrite (FeAsS)

Blue Goldstone

Aventurine glass (Synthetic borosilicate glass with cobalt and metallic inclusions)

Galena

Galena (lead sulfide, PbS), possibly a galena-rich ore specimen

Native Copper

Copper (Cu)

Galena

Galena (lead sulfide, PbS), likely with associated sulfide minerals

Slag (Industrial Glass/Metal)

Ferrous slag or Glassy silicate byproduct

Likely iron meteorite fragment

Iron meteorite, probably kamacite–taenite (Fe–Ni alloy)

Copper Nugget

Native Copper (Cu)

Gold Nugget

Native Gold (Au)

Likely clear quartz crystal or glass-like gemstone

Quartz, silicon dioxide (SiO₂); exact identification is uncertain from the strongly magenta-lit image

Polished obsidian

Volcanic glass; predominantly rhyolitic SiO₂

Blue Apatite

Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)

Pink Cubic Zirconia (CZ)

Zirconium Dioxide (ZrO2)

Slag (Anthropogenic Glass/Iron byproduct)

Ferro-silicate Slag

Gold Nugget

Native Gold (Au)

Agate and millefiori glass jewelry

Agate: microcrystalline quartz (SiO₂); millefiori element appears to be man-made glass

Native copper nugget

Copper (Cu), often with cuprite or copper-oxide surface

Iridescent bismuth crystal

Bismuth (Bi), artificially crystallized

Weathered copper-bearing sulfide rock (likely bornite/chalcopyrite)

Bornite (Cu5FeS4) and/or chalcopyrite (CuFeS2), with oxidation tarnish

Copper

Native Copper (Cu)

Silver (S925)

Native Silver (Ag)

Green glassy mineral fragment, possibly fluorite

Fluorite (calcium fluoride, CaF₂), tentative identification

Possible metallic meteorite or iron-nickel bead

Unconfirmed; possible Fe–Ni alloy (kamacite/taenite)

Likely galena

Galena (lead sulfide, PbS)

Diamond ring (likely diamond with gold band)

Diamond, crystalline carbon (C); band appears gold alloy

Chondrite Meteorite

Ordinary Chondrite (Fe-Ni alloy, Olivine, Pyroxene)

Possible iron meteorite

Iron meteorite, likely an iron–nickel alloy (kamacite/taenite)

Aventurine

Quartz containing inclusions of Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)

Ferro-silicate Slag

Industrial Vitrified Slag (High-silica amorphous glass)

Tumbled black stone, likely black obsidian

Obsidian; volcanic glass, typically rhyolitic composition (SiO₂-rich)

Possible iron meteorite

Metallic meteorite, likely Fe–Ni alloy (kamacite/taenite)

Iron meteorite (likely)

Fe–Ni metallic meteorite, commonly kamacite–taenite

Man-made Ceramic / Clay Figurine

Aluminosilicate Ceramic (Processed Clay)

Glass / Silicon Dioxide (Man-made)

SiO2 (Amorphous Silicon Dioxide)

Cupronickel Coin

Copper-Nickel Alloy (typically 75% Cu, 25% Ni)

Likely iron meteorite fragment

Iron–nickel meteorite, commonly kamacite–taenite (Fe–Ni alloy)

Native Copper (Tumbled Nugget)

Cu (Native Element)

Man-made Slag (Industrial Byproduct)

Anthropogenic Glassy Residue

Man-made Crystal (Lead Glass)

Lead oxide-doped Silica Glass (approx. SiO2 + PbO)