Synthetic Glass

Diamond

Carbon (C), Native Element

Colorless faceted gemstone (most likely synthetic cubic zirconia)

Cubic zirconia, ZrO₂ (likely synthetic); natural alternatives include quartz or diamond

Larimar

Pectolite (NaCa2Si3O8(OH))

Emerald

Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities

Hematite bead bracelet

Hematite (iron(III) oxide, Fe₂O₃), likely polished magnetic hematite or hematite-coated beads

Diamond ring

Diamond, crystalline carbon (C), likely colorless or near-colorless brilliant-cut stones set in gold

Ruby (Corundum)

Corundum (Aluminum Oxide with Chromium), Al2O3:Cr

Coal (Anthracite/Bituminous)

Carbo fossilium (primarily Carbon)

Diamond (or Cubic Zirconia simulant)

Carbon (C) - Diamond / Zirconium dioxide (ZrO2) - CZ

Sandstone (likely Fossilized Wood or Concrete Simulacrum)

Arenite / Silicified Wood / Anthropogenic Concrete

Cubic Zirconia

Zirconium Dioxide (ZrO2)

Diamond (Baguette cut)

Carbon (C)

Aquamarine in Onyx / Blue Topaz Pendant

Beryl (Be₃Al₂Si₆O₁₈) or Topaz (Al₂SiO₄(F,OH)₂)

Ruby (Corundum)

Aluminum oxide (Al2O3) with Chromium traces

Mixed gemstone specimens

Likely pink sapphire or tourmaline, red garnet, blue sapphire, precious opal, and green tourmaline/emerald; exact identities cannot be confirmed from the collage

Synthetic Blue Aura Quartz

Silicon Dioxide (SiO2) with Metallic Infusion

Magnetite or Hematite-rich Ore

Magnetite (Fe3O4) or Hematite (Fe2O3)

Ruby

Corundum (Al2O3 with Chromium trace impurities)

Polished turquoise cabochon pendant

Turquoise, hydrated copper-aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O; likely stabilized or matrix-bearing material

Tumbled amber

Amber (fossilized plant resin; predominantly polymerized diterpenoid resin)

Ammolite

Biogenic gemstone (Aragonite, CaCO3)

Faceted yellow gemstone ring

Likely yellow sapphire (corundum), but exact identification requires testing; alternatives include citrine, chrysoberyl, or treated diamond.

Likely silicon carbide (carborundum)

Synthetic silicon carbide (SiC), likely blue-green crystalline grit

Painted River Rock

Anthropogenic-modified Siliciclastic Sedimentary Rock

Dyed Agate

Chalcedony (SiO2)

Turquoise cabochon

Turquoise, hydrated copper aluminum phosphate — CuAl₆(PO₄)₄(OH)₈·4H₂O

Polished hematite bead necklace

Hematite (iron(III) oxide, Fe₂O₃), likely polished beads

Clear Quartz (Faceted) / White Sapphire / Goshenite

Silicon Dioxide (SiO2) / Aluminium Oxide (Al2O3)

Carborundum (Silicon Carbide)

Silicon Carbide (SiC)

Pink Cubic Zirconia (CZ)

Zirconium Dioxide (ZrO2)

Pearl-embellished decorative cross

Pearl (biogenic calcium carbonate, predominantly aragonite) with rhinestone-mounted glass or synthetic gemstones

Moonstone ring

Moonstone, a feldspar variety (typically orthoclase or adularia; KAlSi₃O₈)

Hematite

Iron(III) oxide (Fe2O3)

Chrysocolla in Malachite

Cu2CO3(OH)2 (Malachite) / Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla)

Red gemstone ring, likely synthetic ruby or garnet

Ruby: corundum (Al₂O₃); possible alternative: almandine garnet (Fe₃Al₂(SiO₄)₃)

Bismuth crystal

Bismuth (Bi), synthetic laboratory-grown crystal

Build-A-Bear Plush (Non-Geological)

Polyester fibers (C10H8O4)n and Synthetic Polymers

Cubic Zirconia (Diamond Simulant)

Zirconium Dioxide (ZrO2)

Diamond (or Diamond Simulant)

Carbon (C)

White chalcedony (possibly milky quartz) cabochon

Chalcedony, microcrystalline SiO₂; appearance may also represent milky quartz or synthetic imitation

Cubic Zirconia (Jewelry Setting)

Cubic Zirconia (ZrO2)

Cubic Zirconia (Faceted)

Zirconium Dioxide (ZrO2)