Synthetic Polymer (Polylactic Acid)

Amethyst quartz cluster

Quartz, SiO₂; purple variety amethyst

Synthetic Marbled Aggregate (Footwear Component)

Ethylene-vinyl acetate (Croslite™)

Engineer Quartz/Quartzite

SiO2 (Silicon Dioxide with binders)

Blue cabochon gemstone, likely synthetic spinel or glass

Undetermined; possible synthetic cobalt-blue spinel (MgAl₂O₄) or colored glass

Cubic Zirconia (as used in jewelry setting)

Zirconium dioxide (ZrO2)

Polymer Clay (Mock Mineral)

Polyvinyl chloride (PVC) with plasticizers and pigment

Amber

Succinite (Fossilized Tree Resin)

Red faceted gemstone, likely synthetic ruby or red glass imitation

Possibly synthetic corundum (Al₂O₃:Cr³⁺); image alone cannot distinguish it from glass or another imitation

Amber (likely opaque/burnished amber)

Fossilized plant resin; primarily polymerized terpenoid resin (succinite-type amber)

Amber

Succinate (Fossilized Tree Resin)

Amber

Succinite (fossilized resin, C10H16O)

Amber

Succinite (fossilized tree resin)

Engineered Quartz

Engineered Stone (primarily SiO2)

Pink faceted gemstone, likely synthetic ruby or pink sapphire

Corundum (Al₂O₃), possibly chromium-colored ruby; synthetic origin likely

The user-provided image does not contain a rock or mineral specimen

Amber

Succinite (C10H16O)

Quartz (Engineered Quartz Surface)

Silicon Dioxide (SiO2) based composite

Amber

Succinite (Fossilized Resin C10H16O)

Cubic Zirconia

Zirconium dioxide (ZrO2)

Amber

Succinite (with approximate formula C10H16O)

Iridescent coated quartz (likely synthetic/display gemstone)

Quartz, silicon dioxide (SiO₂), likely faceted and surface-coated; exact material cannot be confirmed visually

Gold and Cubic Zirconia (San Judas Tadeo Pendant)

Native Gold (Au) with Synthetic Cubic Zirconia (ZrO2)

Ruby (in costume jewelry context)

Corundum (Al2O3) with Chromium impurities

Purple cabochon gemstone, likely amethyst or purple sapphire/spinel

Indeterminate from image; possible quartz (SiO₂), corundum (Al₂O₃), or spinel (MgAl₂O₄)

Loose faceted colorless gemstones, likely quartz or glass-like mineral chips

Most consistent with quartz (SiO₂), though the photograph cannot exclude synthetic cubic zirconia or glass

Opalite (Synthetic Moonstone/Sea Opal)

Silicon Dioxide (SiO2) glass with metallic inclusions

Cubic Zirconia (simulant) or Diamond

ZrO2 (Cubic Zirconia) or C (Diamond)

Opalite

Synthetic glass / Opalized glass

Amber (Rough)

Succinite (Resinite)

Amber

Succinite (fossilized resin)

Baltic amber beads

Amber (fossilized plant resin), commonly succinite; organic polymer dominated by resin acids

Baltic Amber (Butterscotch or Egg Yolk Variety)

Succinite (C10H16O)

Tumbled turquoise cabochon

Turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O

Red gemstone ring, likely synthetic ruby or red spinel

Ruby: corundum (Al₂O₃); spinel: MgAl₂O₄; exact identity requires testing

Amber

Succinite (C10H16O)

Quartzite (or Engineered Quartz Stone)

SiO2 (Silicon Dioxide)

Bituminous Coal

Organic-rich sedimentary rock (Complex hydrocarbons)

Amber

Succinite (specific to Baltic amber), fossilized tree resin

Red glassy cabochon, likely synthetic ruby or red glass

Uncertain; possible synthetic corundum (Al₂O₃, chromium-colored) or man-made glass

Gastly (Trick or Trade Halloween Series)

Cellulose-carbonaceous composite (Lignocellulose laminated with pigmentary polymers)

Opalite

Synthetic Opalised Glass

Opalite

Synthetic Opalised Glass