Synthetic Glass (Often Categorized As A Simulated Mineral)

Synthetic Costume Accessory (Non-Geological)

Polyester and Acrylic Fiber (Anthropogenic polymer)

White Sapphire

Corundum (Al2O3)

Tumbled turquoise-like stone

Likely turquoise, hydrated copper aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O

Polished tiger’s-eye

Quartz variety, SiO₂, with crocidolite-derived iron inclusions

Cubic Zirconia

Zirconium Dioxide (ZrO2)

Hematite

Iron(III) oxide (Fe2O3)

Hematite

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

Blue gemstone ring, likely sapphire

Corundum, Al₂O₃ (probable blue sapphire); surrounding stones may be diamonds or simulants

Staurolite (Cross Stone)

Staurolite (Fe2+2Al9Si4O23(OH))

Ruby (Corundum)

Corundum (Aluminum Oxide with Chromium), Al2O3:Cr

Likely amethyst cabochon ring

Quartz, SiO₂; purple coloration from trace iron and irradiation

Cubic Zirconia

Zirconium Dioxide (ZrO2)

Painted River Rock

Painted Quartzite or Smooth Siltstone

Blue Sapphire

Corundum (Al2O3)

Pink/red faceted gemstone, likely synthetic corundum or glass imitation

Corundum (Al₂O₃), ruby/sapphire variety; exact identification requires testing

Man-made Synthetic Material (Not a rock or mineral)

Polyester (Polyethylene terephthalate) / Faux Fur

Iridescent polished/tumbled stone (likely coated quartz or glassy synthetic material)

Indeterminate; possibly quartz (SiO₂) with an artificial iridescent coating

Bismuth

Bismuth (Bi)

Staurolite (Fairy Stone)

Staurolite (Fe2+2Al9Si4O23(OH))

Limonite (Iron Ore)

Limonite; FeO(OH)·nH2O

Faceted colorless gemstone, likely quartz or glass imitation

Most plausibly rock crystal (quartz, SiO₂); identity is uncertain because the photograph shows only intense facet reflections

Pink corundum (likely synthetic or treated sapphire)

Corundum, Al₂O₃; pink coloration commonly from chromium or treatment

Lapis Lazuli

Lazurite-dominant rock, (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2

Blue Sapphire

Corundum (Al2O3)

Polished blue stone, likely sodalite or dyed agate

Most consistent with sodalite (Na₈(Al₆Si₆O₂₄)Cl₂), though the image cannot confirm composition

Likely blue sapphire ring

Corundum (Al₂O₃), likely sapphire; surrounding stones may be diamonds or colored gems

Ruby

Corundum (Al2O3 with Chromium trace)

Diamond

Carbon (C)

Blue Sapphire

Corundum (Al2O3 with trace Titanium and Iron)

Synthetic Faux Fur Fursuit

Polyacrylonitrile / Polyester (Synthetic Textile)

Ruby

Corundum (Al2O3 with Chromium traces)

Diamond (Faceted Colorless)

Diamond (Pure Carbon, C)

Emerald

Beryl (Be3Al2(SiO3)6)

Blue gemstone, likely iolite or blue sapphire

Iolite (cordierite, Mg₂Al₄Si₅O₁₈) or corundum (sapphire, Al₂O₃)

Bismuth crystal

Bismuth (Bi), synthetic laboratory-grown crystal

Blue Goldstone

Auraventurine (Synthetic glass with cobalt and copper inclusions)

Blue gemstone ring, likely lapis lazuli

Lapis lazuli: lazurite-rich metamorphic rock, chiefly (Na,Ca)8(AlSiO4)6(S,SO)2, commonly with calcite and pyrite

Cubic Zirconia (Faceted)

Zirconium Dioxide (ZrO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Amethyst cabochon ring

Amethyst, purple quartz (SiO₂)

Colorless faceted gemstone, likely quartz (rock crystal)

Quartz, silicon dioxide (SiO₂); exact identification cannot be confirmed from the photograph

Polished gemstone tower assortment

Primarily quartz varieties and simulants; apparent amethyst (SiO₂), rose quartz (SiO₂), clear quartz (SiO₂), fluorite (CaF₂), sodalite, malachite, and possibly dyed or composite stones