Mineral (Processed Metal)

Ferrous Slag

Fused calcium-iron silicates (Industrial Slag)

Serpentinite

Serpentinite (Hydrated magnesium iron phyllosilicate)

Serpentinite

Serpentinite (Hydrated magnesium iron silicate)

Heart-shaped polished howlite (likely dyed or stabilized)

Howlite, Ca₂B₅SiO₉(OH)₅; possibly sold as imitation turquoise

Milky Quartz with Chlorite / Mica inclusions

Silicon Dioxide (SiO2) with phyllosilicate inclusions

Quartz Vein in Schist

Quartz (SiO2) in Pelitic Schist

Gold Ore in Matrix

Native Gold (Au) in Quartz/Host Rock

Faceted brown gemstone pendant, likely smoky quartz or champagne topaz

Probably quartz (SiO₂), smoky variety; alternatively topaz (Al₂SiO₄(F,OH)₂)

Tiny metallic-looking mineral or rock fragment

Unidentifiable from the image; possibly a small metallic mineral grain

Man-made Blank Ammunition (Brass)

CuZn (Cartridge Brass - roughly 70% Copper, 30% Zinc)

Pyrite (on Quartz/Host Rock)

Iron Sulfide (FeS₂)

Clear Quartz (Rock Crystal) Bead

Silicon Dioxide (SiO2)

Barite

Barium Sulfate (BaSO4)

Transit Token (RTD Denver)

Nickel-plated brass or bronze alloy (Cu-Sn-Zn-Ni)

Cubic Zirconia (CZ)

Zirconium dioxide (ZrO2)

Blue Goldstone

Man-made glass with cobalt and metal flecks

Opalite

Synthetic Opalised Glass

Copper Ore (Malachite, Azurite, and Chalcopyrite in Host Rock)

Copper-bearing polymetallic mineral aggregate (Cu-minerals)

Copper Ore (Chrysocolla/Malachite in host rock)

Hydrated copper phyllosilicate and copper carbonate hydroxide

Red goldstone beads

Goldstone (man-made copper-bearing glass; not a natural mineral)

Vanadinite

Pb5(VO4)3Cl

Polished hematite bead (probable)

Hematite, Fe₂O₃

Serpentinite

Serpentinite (composed primarily of mineral group (Mg,Fe,Ni,Al)3Si2O5(OH)4)

Small stud earring with a purple gemstone (possibly amethyst)

Possible amethyst, a purple variety of quartz (SiO₂); identification is uncertain from the image

Iron Gossan (Limonite/Goethite)

Hydrated Iron Oxides (FeO(OH)·nH2O) from oxidation zones

Blue Goldstone

Aventurine Glass (Silicon Dioxide with metal inclusions)

Milky Quartz Vein Rock

Silicon Dioxide (SiO2)

Chakra Crystal Assortment Pendant

Various mineral species including quartz, aventurine, and lapis lazuli

Green iridescent glass cabochon or synthetic gemstone

Likely synthetic glass; possibly coated synthetic quartz or lab-created green gemstone

Gypsum (Wallboard/Drywall)

Calcium Sulfate Dihydrate (CaSO4·2H2O)

Ferruginous Breccia

Breccia with Iron-rich (Hematite/Goethite) Matrix

Gold Ore

Native Gold (Au)

Rounded metallic-looking pebble, likely iron-rich rock or slag

Uncertain; possible limonite/goethite-rich ironstone, hematite-bearing material, or industrial slag

Cubic Zirconia (Man-made)

Cubic Zirconia (ZrO2) with Enamel and Metal Alloy

Ferrochrome Slag

Anthropogenic slag (Fe-Cr alloy waste)

Green jade-like cabochon pendant

Unidentified green gem; possibly jadeite (NaAlSi₂O₆) or nephrite (Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)

Synthetic Zinc/Polycarbonate Composite (Bey-specimen)

Zinc Alloy (Zamak 3) with Polycarbonate (C15H16O2)n Overlay

Granite featuring Quartz Vein

Granite with hydrothermal silica (SiO2) intrusion

Serpentinite

Serpentinite (composed largely of serpentine minerals like antigorite, lizardite, or chrysotile)

Bauxite

AlOx(OH)3-2x (mixture of Gibbsite, Boehmite, and Diaspore)

Milky or Iron-Stained Quartz

Quartz (Silicon Dioxide, SiO2)