Man Made Material (Simulated Mineral)

Cubic Zirconia (Jewelry Setting)

Zirconium Dioxide (ZrO2)

Carborundum (Silicon Carbide)

Silicon Carbide (SiC)

Tumbled Clear Quartz/Rock Crystal

Silicon Dioxide (SiO2)

Blue-green cabochon, likely chalcedony or treated glass imitation

Cryptocrystalline quartz (chalcedony/possibly chrysoprase); identification uncertain from image

Titanium Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Blue sea glass or blue glassy mineral fragment

Uncertain; likely man-made soda-lime glass, not a natural mineral

Synthetic Resin / Plastic Figurine

Synthetic Polymer (Copolymer of Polyethylene or Resin)

Green sea glass (likely bottle glass)

Man-made soda–lime silicate glass; not a natural mineral

Opalite

Man-made Glass (Synthetic Opalized Glass)

Milky quartz

Quartz (silicon dioxide, SiO₂)

Agate and millefiori glass jewelry

Agate: microcrystalline quartz (SiO₂); millefiori element appears to be man-made glass

Cultured Marble (Synthetic)

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

Rainbow Hematite Ring

Iron(III) oxide (Fe2O3) with thin-film coating

Milky quartz (likely)

Quartz, silicon dioxide (SiO₂)

Black beaded bracelet, likely black onyx or glass

Possibly chalcedony (microcrystalline quartz, SiO₂); the beads may instead be man-made glass

Blue Goldstone

Man-made glass with cobalt and metal flecks

Cullet Glass (Slag)

Amorphous Silicon Dioxide (Man-made)

Polished white calcite sphere (identification tentative)

Calcite, CaCO₃

Obsidian

Volcanic Glass

Diamond

Native Carbon (C)

Blue Slag Glass

Anthropogenic Amorphous Silicon Dioxide

Tumbled milky quartz pebble

Quartz (silicon dioxide, SiO₂), opaque-to-translucent milky variety

Cubic Zirconia (Simulated Diamond)

Zirconium dioxide (ZrO2)

Smelter Slag

Anthropogenic Silicate Slag

Aluminum Slag

Anthropogenic Aluminum (Al)

Dzi Bead (Etched Chalcedony)

Cryptocrystalline Quartz (SiO2) with chemical etching

Goldstone

Man-made glass infused with copper particles

Sea Glass

Amorphous silicon dioxide (man-made glass weathered by nature)

Opalite

Man-made Opalized Glass (Synthetic Glass)

Chakra Stone Tower (Composite Multi-Mineral)

Crystalline Silicon Dioxide composite (SiO2) with various inclusions

Ferruginous Conglomerate (or Iron-Rich Concrete/Slag)

Clastic Sedimentary (Silicon Dioxide/Iron Oxide matrix)

Titanium-coated Metal Cube (Man-made Fidget Toy)

Titanium-anodized or electroplated alloy (e.g., Ti-coated Zinc or Aluminum)

Colorless quartz crystal (likely quartz fragment)

Quartz, silicon dioxide (SiO₂)

Opalite

Synthetic Opalized Glass / Man-made Glass

Slag (Industrial Glass/Glassy Rock)

Anthropogenic Vitreous Material

Quartz crystal fragment (likely milky quartz)

Quartz, silicon dioxide (SiO₂)

Goldstone (brown goldstone)

Man-made aventurine glass, typically copper-bearing silica glass

Goldstone

Aventurine Glass (Man-made glass with copper inclusions)

Small rounded mineral pebble, possibly quartz

Uncertain; likely microcrystalline or crystalline SiO₂ (quartz), potentially with iron-oxide staining

Titanium Aura Quartz

Silicon Dioxide (SiO2) coated with Titanium and Niobium

Dalmatian Stone

Dalmatian Jasper (a misnomer for an Aplite with Arfvedsonite spots)

Titanium-Coated Hematite (Aura Hematite)

Titanium-bonded Hematite (Fe2O3 with a Ti coating)