Synthetic (Not A Rock Or Mineral)

Orgonite Pyramid (containing Amethyst and mixed minerals)

Silicon Dioxide (SiO2) in synthetic resin

Garden Quartz (Lodalite)

Silicon Dioxide with various mineral inclusions (SiO2)

Colorless faceted gemstone (likely cubic zirconia)

Cubic zirconia, zirconium dioxide (ZrO₂); possibly synthetic quartz or glass imitation

Opalite

Synthetic Glass (SiO2 + impurities)

Colorless faceted gemstone, likely cubic zirconia

Cubic zirconia (zirconium dioxide, ZrO₂); visual confirmation is unavailable

Cubic Zirconia (Jewelry Setting)

Zirconium Dioxide (ZrO2)

Likely blue glass or synthetic gemstone jewelry

Uncertain; possibly synthetic spinel, cubic zirconia, or blue glass

Opalite

Synthetic Opalised Glass

Quartz geode or druzy quartz specimen

Quartz, silicon dioxide (SiO₂), likely microcrystalline/drusy quartz coating a host rock

Opalite

Synthetic Opalised Glass

Colorless faceted gemstone (likely cubic zirconia)

Cubic zirconia, ZrO₂ (synthetic zirconium dioxide); possibly synthetic glass or lab-grown diamond

Pearls

Pearl: biomineralized aragonite (CaCO₃) and conchiolin

Bauxite

Bauxite (principal ore of aluminum, primarily Al(OH)3)

Opalite

Synthetic Opalised Glass

Blue Goldstone

Man-made glass with crystalline copper/cobalt inclusions

Pink/red faceted gemstone, likely synthetic ruby or pink sapphire

Corundum, aluminum oxide (Al₂O₃); likely lab-grown or treated material

Smoky Quartz

Silicon Dioxide (SiO2)

Lapis Lazuli (Tumbled)

Lazurite-dominated contact metamorphic rock

Lapis Lazuli

Na8[Al6Si6O24]Sn (Lazurite-rich metamorphic rock)

Moissanite

Silicon Carbide (SiC)

Opal

Hydrated Amorphous Silica (SiO2·nH2O)

Lapis Lazuli

Lazurite-dominant Metamorphic Rock (complex aluminosilicate)

Silicon Carbide (Carborundum)

Moissanite (SiC)

Blue Sapphire

Corundum (Al2O3)

Cat's Eye Moonstone (Simulated/Synthetic or natural Cat's Eye Quartz/Glass)

There is no single scientific name. The appearance suggests either: Moonstone (feldspar group), Cat's Eye Quartz (SiO2), Apatite (Ca5(PO4)3(F,Cl,OH)), or most likely a synthetic material such as Fiber Optic Glass or 'Opalite' (a type of glass).

Lapis Lazuli (Tumbled Specimen)

Lapis Lazuli (Aggregate rock containing Lazurite: (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)

Bauxite

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

Opalite (Man-made Glass)

Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)

Bauxite

Bauxite (Al(OH)3, AlO(OH))

Bauxite

Aluminium ore (Hydrated aluminium oxides AlOx(OH)3-2x)

Opalite

Synthetic glass / Opaque silicious glass

Bornite (“peacock ore”), likely weathered copper sulfide

Bornite, Cu₅FeS₄; possibly chalcopyrite, CuFeS₂, with iridescent tarnish

Pink Sapphire

Corundum (Al2O3 with trace Chromium and Iron)

Cubic Zirconia (CZ)

Zirconium dioxide (ZrO2)

Gemstone Ring

Various (Likely Glass, Cubic Zirconia, or assorted semi-precious stones)

Cobalt Glass Slug (Man-made Glass)

Amorphous Silica with Cobalt Oxide (SiO2 + CoO)

Lapis Lazuli (Tumbled Stone)

Na6Ca2(Al6Si6O24)(SO4,S,Cl)2 (Lazulite-rich Metamorphic Rock)

Goldstone

Aventurine Glass (Man-made)

Blue Sapphire (likely costume glass imitation)

Corundum (Al2O3) with iron/titanium impurities

Bauxite

Bauxite (Al(OH)3, AlO(OH))

Blue glass-like gemstone specimen (likely dyed or synthetic quartz)

Uncertain; possibly blue-dyed quartz or synthetic glass, not confidently identifiable from the image

Blue Sapphire (Synthetic or Man-made Glass Imitation)

Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic