Mineraloid Like Synthetic Material

Faceted blue gemstone, likely blue topaz or synthetic spinel

Topaz (Al₂SiO₄(F,OH)₂) or synthetic spinel (MgAl₂O₄); image insufficient for certainty

Cullet Glass (Man-made Glass Slag)

Amorphous Silica (SiO2) with chemical additives

Limonite (Iron Ore)

Limonite (Hydrated Iron Oxide, FeO(OH)·nH2O)

Synthetic Sapphire and Ion-X Glass

Single-crystal Alumina (Al2O3) and Ion-strengthened Aluminosilicate Glass

Obsidian

Volcanic glass

Star sapphire ring

Corundum (Al₂O₃), likely asteriated sapphire

Faceted purple gemstone, likely amethyst

Amethyst, purple variety of quartz (SiO₂)

Orange cabochon gemstone, likely amber or amber-like resin

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

Opalite

Synthetic Opalite Glass

Sapphire

Corundum (Al2O3)

Man-made Synthetic Material (Not a rock or mineral)

Polyester (Polyethylene terephthalate) / Faux Fur

Cobalt Blue Slag Glass

Amorphous Silicon Dioxide (anthropogenic) with Cobalt additives

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

Tektite (Indochinite)

Tektite (High-silica natural glass)

Limonite (Ironstone)

Limonite (mixture of hydrated iron(III) oxide-hydroxides)

Opalite

Synthetic Glass (Hydrated Crystalline Silicon Dioxide simulation)

Cullet Glass (Slag Glass)

Amorphous Silicon Dioxide (Industrial Man-made)

Common opal in iron-stained host rock

Opal (hydrated amorphous silica, SiO₂·nH₂O), likely common opal

Crackled Quartz (Dyed)

Silicon Dioxide (SiO2)

Black Obsidian

Volcanic Glass

Goldstone

Aventurine glass (Synthetic glass with copper inclusions)

Limonite (Iron Ore)

Limonite (an amorphous mixture of hydrated iron oxides, primarily FeO(OH)·nH2O)

Obsidian

Volcanic glass

Snowflake Obsidian

Volcanic glass containing Spherulitic Cristobalite (SiO2)

Cubic Zirconia (as used in jewelry setting)

Zirconium dioxide (ZrO2)

Synthetic Marbled Aggregate (Footwear Component)

Ethylene-vinyl acetate (Croslite™)

Amber

Succinite (C10H16O)

Note: This is a Man-Made Object (Costume/Prop Patch)

Synthetic fiber and pigments (Cellulose/Plastic-based composite)

Man-made Crystal (Lead Glass)

Lead oxide-doped Silica Glass (approx. SiO2 + PbO)

Cullet (Slag Glass)

Amorphous Silica (Industrial byproduct)

Black Obsidian

Volcanic Glass

Tumbled hematite

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

Cullet Glass (Slag Glass)

Amorphous Silicon Dioxide (Industrial byproduct)

Green iridescent glass cabochon or synthetic gemstone

Likely synthetic glass; possibly coated synthetic quartz or lab-created green gemstone

Glass

Amorphous Silicon Dioxide (SiO2)

Amber

Succinite (C10H16O)

Slag (Industrial Glass)

Anthropogenic Amorphous Vitreous Silicate

Blue glass-like bead or gemstone keychain ornament

Indeterminate; likely cobalt-blue glass or synthetic blue spinel, not identifiable as a natural mineral from the image

Synthetic opal cabochon/bead

Opal-like hydrated amorphous silica; likely lab-created polymer–silica opal or Gilson synthetic opal (SiO₂·nH₂O)

Red glass-like crystal, likely synthetic ruby or red glass

Uncertain from image; possible corundum (ruby), Al₂O₃, or synthetic glass

Amber

Succinite

Limonite (Iron-rich Siltstone / Sandstone base)

Hydrous ferric oxide mixture (FeO(OH)·nH2O)