Synthetic Or Natural Fiber

Amethyst quartz cluster

Quartz, SiO₂; purple variety amethyst

Diamond (or Cubic Zirconia)

Carbon (C) or Zirconium Dioxide (ZrO2)

Green glass-like cabochon, likely synthetic glass or resin

Unidentified green transparent material; possibly molded glass, synthetic spinel, or resin

Blue Sapphire

Corundum (Al2O3)

Synthetic Wolf Plush (Non-mineral)

Canis lupus similis (Prop material: Polyester & Synthetic fibers)

Note: The image provided is a fabric sock, not a geological specimen.

Polyester-Cotton Blend with Elastane

Blue Sapphire (likely costume glass imitation)

Corundum (Al2O3) with iron/titanium impurities

Blue Sapphire (Synthetic or Man-made Glass Imitation)

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

Note: Item is a Synthetic/Man-made Object

Titanium-coated Stainless Steel (Fe-Cr-Ni-Ti)

Opalite

Synthetic Glass (Silica-based)

Opalite

Man-made opalescent glass

Luminous Stone (Glow-in-the-dark Synthetic/Man-made Stone)

Strontium Aluminate tinted glass or resin (Crystalline silicate/oxide mix)

Man-made Synthetic Material (Plastic/Composite)

Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)

Diamond

Natural Diamond (Carbon, C)

Red corundum (ruby-colored polished crystal)

Corundum, aluminum oxide (Al₂O₃); red color is typically caused by chromium

Blue-and-white opalite sphere

Opalite (commercial synthetic or glass-based imitation; not true opal), typically silica glass or synthetic opalescent material

Amethyst gemstone ring

Quartz, purple variety — SiO₂

Blue Goldstone

Man-made glass with cobalt and metal flecks

Painted Rock

Weathered Sedimentary Rock (Painted)

Opalite (Synthetic Moonstone/Opal)

Synthetic Silica Glass

Gemstone Ring

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

Opalite

Synthetic Glass (Hydrated Silica Simulant)

Faceted blue gemstone, likely blue topaz or synthetic spinel

Topaz (Al₂SiO₄(F,OH)₂) or synthetic spinel (MgAl₂O₄); image insufficient for certainty

Parti Sapphire

Corundum (Al2O3)

Opalite

Synthetic glass / Opalized glass

Opalite (Man-made Glass)

Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)

Blue cabochon gemstone ring

Uncertain; likely blue sapphire (corundum, Al₂O₃), blue topaz, or synthetic glass/spinel

Opalite

Synthetic Opalised Glass

Polished tiger’s eye

Quartz (microcrystalline SiO₂) with crocidolite-derived iron oxides

Pink corundum (likely synthetic or treated sapphire)

Corundum, Al₂O₃; pink coloration commonly from chromium or treatment

Small clear crystal, possibly quartz or glass-like gemstone

Uncertain; likely quartz (SiO₂), but the image is insufficient to exclude man-made glass or cubic zirconia

Silicon Carbide (Carborundum)

Silicon Carbide, SiC

Opalite

Man-made Glass (Synthetic Opalized Glass)

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

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

Opalite

Synthetically produced glass (Silicon Dioxide with metallic inclusions)

Clear Quartz (faceted) / Diamond Simulant

Silicon Dioxide (SiO2) / Cubic Zirconia (ZrO2)

Ruby (Faceted)

Corundum (Al2O3:Cr)

Iridescent polished gemstone, likely opal

Common or precious opal (hydrated amorphous silica, SiO₂·nH₂O), possibly synthetic or glass imitation

Opalite

Synthetic opalescent glass

Cubic Zirconia

Cubic Zirconium Dioxide (ZrO2)

Colorless faceted gemstone, likely cubic zirconia

Cubic zirconia (synthetic zirconium dioxide, ZrO₂); possibly colorless quartz or laboratory diamond

Crackled Quartz (Dyed)

Silicon Dioxide (SiO2)