Mineral (Synthetic)

Man-made Glass (Tumbled/Shaped)

Amorphous Silicon Dioxide (SiO2) with metal oxide colorants

White Sapphire

Corundum (Al2O3)

Peridot gemstone pendant

Olivine, gem-quality forsteritic olivine (approximately (Mg,Fe)₂SiO₄)

Raw Topaz

Aluminum Silicate Fluoride Hydroxide, Al2SiO4(F,OH)2

Colorless faceted gemstone, likely cubic zirconia

Synthetic cubic zirconia (zirconium dioxide, ZrO₂); identity is visual and not definitive

Rose Quartz and Cherry Quartz (Dyed Glass/Quartz)

Silicon Dioxide (SiO2) with inclusions/dye

Opalite

Man-made opalescent glass

Red Agate (Carnelian)

Silicon Dioxide (SiO2)

Opalite

Synthetic Glass (Simulated Moonstone/Opal)

Dyed Quartzite

Metamorphosed Quartz (SiO2) with synthetic pigment

Synthetic Resin / Plastic Figurine

Synthetic Polymer (Copolymer of Polyethylene or Resin)

Coal (Bituminous or Anthracite)

Carbonaceous Sedimentary Rock

Ruby (varietal of Corundum)

Corundum (Al2O3:Cr)

Diamond

Native Carbon (C)

Lapis Lazuli

Lapis lazuli (Rock composed primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)

Gemstone-set silver jewelry piece

Likely mixed faceted gemstones in a silver-colored metal setting; stones may include sapphire, ruby/garnet, and yellow sapphire or citrine, but the image is insufficient for species-level identification.

Blue Goldstone

Synthetic glass with cobalt and copper inclusions

Opalite

Synthetic Fluorescent Glass (SiO2 + impurities)

Opalite

Synthetic Glass, SiO2 base with metallic inclusions

Faceted pale-green gemstone, likely prasiolite or green quartz

Quartz (SiO₂), likely prasiolite; identification is uncertain from the photograph

Diamond (or Cut Gemstone / Cubic Zirconia)

Carbon (C)

Dyed Purple Agate Sliced Tablet

Silicon Dioxide (SiO2), variety Chalcedony

Green Glass (often marketed as 'Obsidian' or 'Green Quartz')

Amorphous Silica (SiO2) with copper or chromium additives

Rough Emerald (Beryl)

Emerald (Be3Al2(SiO3)6 with Cr/V impurities)

Red corundum (ruby-colored polished crystal)

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

Opalite

Man-made Glass (SiO2 + additives)

Mixed gemstone jewelry collection

Various gemstone minerals, including likely amethyst (quartz), sapphire or iolite, garnet, pearl, turquoise, and colored beryl or tourmaline

Blue sapphire ring

Corundum (aluminum oxide, Al₂O₃), likely heat-treated sapphire

Amethyst gemstone ring

Quartz, purple variety — SiO₂

Fursuit (Synthetic Fur Specimen)

Canis anthropomorphus syntheticus

Blue faceted gemstones, likely blue sapphire

Corundum (Al₂O₃), blue varieties colored chiefly by iron and titanium

Sapphire

Corundum (Al2O3)

Colorless faceted gemstone (likely cubic zirconia)

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

Goldstone (Red)

Aventurine Glass

White cabochon gemstone, likely milky chalcedony or opalite

Chalcedony: microcrystalline quartz, SiO₂; appearance may also indicate synthetic opalite glass

Clear Quartz (Faceted) / White Sapphire / Goshenite

Silicon Dioxide (SiO2) / Aluminium Oxide (Al2O3)

Red faceted gemstone jewelry setting

Likely synthetic ruby or red spinel centerpiece with colorless accent stones; exact identification requires gemological testing

Tumbled green beryl or glassy green gemstone

Likely beryl, Be₃Al₂Si₆O₁₈; possibly treated emerald or synthetic glass

Orange cabochon gemstone, likely amber or amber-like resin

Natural amber: fossilized plant resin (organic mineraloid), commonly succinite; exact identification requires testing

Blue Topaz (specifically London Blue or Swiss Blue based on color saturation)

Al2SiO4(F,OH)2 (Aluminum Silicate Fluoride Hydroxide)

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Lapis Lazuli

Lapis Lazuli (a rock composed primarily of Lazurite, Sodalite, Calcite, and Pyrite)