Mineral Simulant (Synthetic Glass)

Dyed Agate

Chalcedony (SiO2)

Polished turquoise cabochon pendant

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

Ammolite

Biogenic gemstone (Aragonite, CaCO3)

Likely silicon carbide (carborundum)

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

Dark blue polished stone pendant

Indeterminate; possibly sodalite, lapis lazuli, or blue slag/glass-like material

Chrysocolla in Malachite

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

Polished hematite bead necklace

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

Assorted gemstone jewelry

Mixed natural and synthetic gemstone cabochons and faceted stones; individual species cannot be determined reliably from this image

Emerald

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)

Smoky Quartz

Silicon Dioxide (SiO2)

Cubic Zirconia

Zirconium Dioxide (ZrO2)

Hematite

Iron(III) oxide (Fe2O3)

Painted Rock

Weathered Sedimentary Rock (Painted)

Painted River Rock

Painted Quartzite or Smooth Siltstone

Bismuth crystal

Bismuth (Bi), synthetic laboratory-grown crystal

K2 Stone (or K2 Jasper)

Azurite-in-Granite (Potassium Feldspar, Quartz, Plagioclase, Muscovite, and Azurite)

Green cabochon gemstone, likely glass-filled or synthetic emerald imitation

Uncertain; possible synthetic emerald (beryl, Be₃Al₂Si₆O₁₈) or green glass

Tumbled blue glass-like specimen, possibly dyed chalcedony or synthetic glass

Uncertain; possible dyed quartz/chalcedony (SiO₂), but appearance strongly suggests cobalt-blue glass

White chalcedony (possibly milky quartz) cabochon

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

Larimar

Pectolite (NaCa2Si3O8(OH))

Turquoise cabochon

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

Ametrine

Silicon Dioxide (SiO2) with iron impurities

Sandstone (likely Fossilized Wood or Concrete Simulacrum)

Arenite / Silicified Wood / Anthropogenic Concrete

Green glass sphere/marble

Soda-lime glass (primarily SiO2, Na2O, CaO)

Synthetic Costume Glove (Paws)

Polyethylene terephthalate (Polyester) & Polyurethane blend

Hematite

Hematite (Fe₂O₃), likely a polished specular hematite palm stone

Ruby

Corundum (Aluminum Oxide with Chromium), Al2O3:Cr

Diamond (in jewelry)

Cubic Carbon (C)

Blue Sapphire

Corundum (Al2O3)

Assorted Semi-Precious Gemstone Crosses

Quartz, Silicates, Carbonates (various)

Cubic Zirconia (Faceted)

Zirconium Dioxide (ZrO2)

Faceted yellow-green gemstone, likely peridot

Olivine, typically forsterite-rich (Mg₂SiO₄)

Polished ruby cabochon (likely synthetic or treated)

Corundum, aluminum oxide (Al₂O₃), colored red by chromium

Ruby

Corundum (Al2O3 with Chromium impurities)

Yellow Sapphire

Corundum (Al2O3:Fe)

Green glassy mineral specimen, likely rough emerald or green fluorite

Tentatively beryl (Be₃Al₂Si₆O₁₈), emerald variety; synthetic/man-made glass cannot be excluded from the photograph

Tumbled amethyst

Amethyst, purple quartz (SiO₂)

Likely citrine or yellow glass imitation in a silver-tone bracelet

Citrine: quartz, SiO₂; exact material cannot be confirmed visually

Champagne topaz (likely)

Topaz, Al₂SiO₄(F,OH)₂

Gemstone jewelry ensemble

Likely mixed gemstone and glass-bead jewelry; exact stones cannot be determined from the image

Silicon Carbide (Carborundum)

Silicon Carbide (SiC)

Synthetic Costume Accessory (Non-Geological)

Polyester and Acrylic Fiber (Anthropogenic polymer)