Synthetic Polymer (Polylactic Acid)

Tumbled hematite

Hematite (Fe₂O₃), commonly sold as “magnetic hematite” when synthetic or magnetized

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

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

Tumbled amber-like pebble, possibly amber or amber-colored resinous stone

Likely fossilized tree resin (amber; largely polymerized terpenes), but identification is uncertain from the image

Amber

Succinite (fossilized tree resin)

Amber and Tumbled Stones

Fossilized Tree Resin (Succinite)

Amber

Succinite (fossilized resin)

Amber with Organic Inclusions

Succinite (fossilized resin)

Blue sapphire

Corundum (Al₂O₃), blue variety colored mainly by iron and titanium

Opalite

Man-made Glass (Synthetic Opalized Glass)

Opalite

Synthetic Glass / Man-made Opal Simulant

Blue Goldstone

Synthetic glass with copper or cobalt/manganese inclusions

Opalite

Synthetic Opalized Glass / Man-made Glass

Quartzite (Engineered Stone)

Silicon Dioxide (SiO2) based synthetic composite

Goldstone (with Tiger's Eye and Quartz)

Aventurine glass (Synthetic SiO2 with Cu inclusions)

Blue Goldstone

Auraventurine (Synthetic glass with cobalt and copper inclusions)

Goldstone

Aventurine glass (Synthetic glass with copper inclusions)

Decorative opal-like turtle mosaic

Likely imitation or assembled opal material; exact stones cannot be confirmed visually

Red corundum gemstone (likely synthetic ruby)

Ruby: corundum, aluminum oxide (Al₂O₃), chromium-colored; likely lab-grown material

Opal ring

Common opal, likely synthetic or assembled blue-green opal (hydrated amorphous silica, SiO₂·nH₂O)

Green faceted bead strand, likely dyed or synthetic material

Uncertain; possibly green-dyed quartz, glass, or lab-created emerald-like material

Blue Sapphire (in a faceted jewelry setting)

Corundum (Al2O3) with trace Iron and Titanium

Ruby

Corundum (Al2O3)

Ruby

Corundum (Al2O3 with Chromium)

Amber (likely rough amber or copal)

Fossilized tree resin; chiefly an organic polymer with terpenoid remnants

Faceted blue gemstone ring, likely synthetic spinel or glass; identity uncertain

Possibly synthetic blue spinel (MgAl₂O₄) or laboratory sapphire (Al₂O₃); the clear side stones may be cubic zirconia or glass

Amber cabochon pendant

Amber (fossilized tree resin; chiefly polymerized terpenoids)

Amber

Succinite (a specific common type) or Fossilized Tree Resin (C10H16O)

Amber

Succinite (fossilized tree resin)

Amber

Succinite (approximate formula C10H16O)

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

Ruby (Pink to Red Corundum)

Al2O3 (Corundum with Chromium impurities)

Ruby

Corundum (Al2O3 with Chromium traces)

Blue Sapphire

Corundum (Al2O3)

Tumbled Clear Quartz and Citrine Points

Silicon Dioxide (SiO2)

Amethyst stud earrings

Amethyst, purple quartz (SiO₂)

Carved labradorite fish

Labradorite, calcium-rich plagioclase feldspar (approximately (Ca,Na)(Al,Si)₄O₈)

Cut red gemstone, likely ruby

Ruby, gem-quality corundum (Al₂O₃) colored by chromium

Green Obsidian Sphere (man-made glass)

Vitreous Silica with Chromium/Iron additives

Green faceted gemstone, likely tsavorite garnet

Tsavorite: green grossular garnet, Ca₃Al₂(SiO₄)₃

Polished gemstone tower assortment

Primarily quartz varieties and simulants; apparent amethyst (SiO₂), rose quartz (SiO₂), clear quartz (SiO₂), fluorite (CaF₂), sodalite, malachite, and possibly dyed or composite stones

Cubic Zirconia (Man-made)

Cubic Zirconia (ZrO2) with Enamel and Metal Alloy