Organic (If Resin) Or Synthetic (If Glass); Simulating Sedimentary Or Metamorphic (For Natural Stones)

Blue cabochon gemstone ring

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

Amber

Succinate (Organic Fossilized Resin)

Amber

Succinite (fossilized tree resin)

Chakra Stone (Composite / Man-made Bonded Gemstones)

Composite of Quartz, Lapis Lazuli, Aventurine, Tiger's Eye, and Jasper (SiO2, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, etc.)

Ruby / Red Corundum

Al2O3 (Aluminum Oxide with Chromium trace)

Opalite

Synthetic Opalized Glass

Blue Goldstone

Man-made glass with cobalt and metal flecks

Red gemstone ring, likely garnet or synthetic ruby

Possibly almandine garnet (Fe₃Al₂(SiO₄)₃) or corundum/ruby (Al₂O₃); image alone cannot distinguish

Blue Sapphire (likely lab-grown or treated)

Corundum (Aluminum Oxide, Al2O3)

Opalite

Man-made opalized glass

Corundum (Pink Sapphire / Ruby)

Al2O3 (Aluminum Oxide)

Sandstone (likely Fossilized Wood or Concrete Simulacrum)

Arenite / Silicified Wood / Anthropogenic Concrete

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

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

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Opalite

Synthetic Glass (Simulated Opal)

Ruby (in costume jewelry context)

Corundum (Al2O3) with Chromium impurities

Blue Sapphire (likely costume glass imitation)

Corundum (Al2O3) with iron/titanium impurities

Smoky Quartz

Silicon Dioxide (SiO2)

Blue faceted gemstones, likely blue sapphire

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

Ruby (Raw Corundum)

Al2O3 (Aluminum Oxide)

Blue quartzite or blue aventurine glass-like aggregate

Quartzite, predominantly SiO₂ (identification uncertain from image)

Opalite

Synthetic Opalite Glass (Silicon Dioxide)

Probable amber fragment

Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)

Dragon's Breath (Mexican Opal Glass)

Artisan Foil Glass (SiO2 based)

Opalite

Synthetic Opalite (Man-made glass)

Opalite (Synthetic Moonstone/Opal)

Synthetic Silica Glass

Beach Pebble Quartzite / Chalcedony Pebble

Silicon Dioxide (SiO2)

Opaline Glass (Opalite)

Synthetic Silicon Dioxide Glass

Opalite

Synthetic Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Dyed Quartzite

Metamorphosed Quartz (SiO2) with synthetic pigment

Opalite (Synthetic Opalized Glass)

Synthetic Silicon Dioxide (SiO2) glass

Opalite

Synthetic Opalised Glass

Ruby (varieties of Corundum)

Aluminum oxide (Al2O3) with Chromium traces

Faceted purple-blue beads, likely synthetic glass or treated gemstone

Indeterminate; possible synthetic corundum, synthetic spinel, or dyed quartz (SiO₂)

Smoky Quartz

Smoky Quartz (Silicon Dioxide - SiO2)

Polished blue chalcedony or glass-like quartz specimen

Chalcedony (microcrystalline SiO₂), possibly treated or synthetic; exact identification requires testing

Opalite

Man-made Glass (Synthetic Opalized Glass)

Opalite

Synthetic Opalised Glass

Synthetic Resin / Plastic Figurine

Synthetic Polymer (Copolymer of Polyethylene or Resin)

Lapis Lazuli (Simulated)

Lapis Lazuli (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2

Opalite

Synthetic Glass (Silica-based)