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

Red Swirl Beads (Likely Resin or Glass, simulating Red Jasper or Agate)

N/A (for the beads as pictured); Red Jasper: SiO2 (Chert variety); Red Agate: SiO2 (Chalcedony variety)

Opalite

Man-made glass (traditionally simulated Opal)

Pearl and Garnet Glass

Calcium Carbonate (CaCO3) for pearl; Silicon Dioxide (SiO2) for glass

Opalite

Synthetic Opalised Glass

Opalite

Synthetic Glass (SiO2 + impurities)

Amber (Simulated/Faturan Style)

Resin mix (Likely Phenolic/Celluloid if synthetic, Succinite if natural)

Opalite

Synthetic Opalised Glass

Opalite

Synthetic Glass (Amorphized Silicon Dioxide)

Opalite (Man-made Glass)

Synthetic Opalised Glass

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).

Blue Sapphire (Synthetic or Man-made Glass Imitation)

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

Amber

Succinite (specifically for Baltic amber; general formula C10H16O)

Oak-grain Laminate (Industrial/Decorative Furniture Finish)

Melamine Resin-impregnated Decorative Paper on Particleboard (Cellulose/Thermosetting Plastic)

Opalite

Man-made opalescent glass (SiO2 + metal oxides)

Blue Sapphire

Corundum (Al2O3)

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

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.)

Sandstone (likely Fossilized Wood or Concrete Simulacrum)

Arenite / Silicified Wood / Anthropogenic Concrete

Blue Sapphire (likely costume glass imitation)

Corundum (Al2O3) with iron/titanium impurities

Ruby (in costume jewelry context)

Corundum (Al2O3) with Chromium impurities

Opalite

Synthetic Glass (Simulated Opal)

Smoky Quartz

Smoky Quartz (Silicon Dioxide - SiO2)

Opalite

Synthetic Opalite Glass (Silicon Dioxide)

Opalite (Synthetic Moonstone/Opal)

Synthetic Silica Glass

Blue Opal Inlay (Simulated/Lab-created)

Hydrated Amorphous Silica (SiO2·nH2O) with polymer resin

Opaline Glass (Opalite)

Synthetic Silicon Dioxide Glass

Red Dyed Howlite

Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)

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

Cultured Marble (Synthetic)

Polymer-matrix composite (typically calcium carbonate in polyester resin)

Opalite (a synthetic glass, often confused with Opal)

Silicon dioxide glass (SiO2nH2O, for natural opal)

Dyed Quartzite

Metamorphosed Quartz (SiO2) with synthetic pigment

Amber (specifically Cherry Amber)

Succinite (with the chemical formula C10H16O)

Rough Citrine Quartz

Silicon Dioxide (SiO2) with ferric iron impurities

Synthetic Resin (Artificial Specimen)

Polyurethane or Polyester Resin

Amber (and Citrine Quartz)

Succinite (Amber) and Silicon Dioxide (SiO2)

Amber

Succinite (specifically for Baltic amber); Fossilized Tree Resin (C10H16O)

Smoky Quartz

Silicon Dioxide (SiO2) with aluminum impurities and natural radiation

Sapphire

Corundum (Al2O3)

Strawberry Quartz (Lepidocrosite/Hematite-Included Quartz)

Quartz (Silicon Dioxide) with Lepidocrosite or Hematite inclusions (SiO2 + Fe2O3 · nH2O)

Opalite (Synthetic Moonstone/Sea Opal)

Silicon Dioxide (SiO2) glass with metallic inclusions