Synthetic Glass (Often Categorized As A Simulated Mineral)

Smoky Quartz

Smoky Quartz (Silicon Dioxide - SiO2)

Goldstone

Avventurina (Cu + SiO2 glass)

Orgonite Pyramid (containing Amethyst and mixed minerals)

Silicon Dioxide (SiO2) in synthetic resin

Milky Quartz

Silicon Dioxide (SiO2)

Rose Quartz and Cherry Quartz (Dyed Glass/Quartz)

Silicon Dioxide (SiO2) with inclusions/dye

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite/Iron oxide inclusions

Green Fluorite (likely synthetic or heat-treated for jewelry)

Calcium Fluoride (CaF2)

Blue Goldstone

Synthetic Aventurescent Glass (Cobalt-doped soda-lime glass)

Goldstone

Aventurine glass (Synthetic glass with copper inclusions)

Diamond (or Cubic Zirconia)

Crystallized Carbon (C) for Diamond; Zirconium Dioxide (ZrO2) for CZ

Goldstone

Aventurine glass

Citrine

Citrine (Silicon Dioxide, SiO2)

Pearl and Garnet Glass

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

Strawberry Quartz (Hematoid Quartz)

Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)

Strawberry Quartz (or Rose Quartz / Cherry Quartz)

Silicon Dioxide (SiO2) with Lepidocrocite, Hematite, or Goethite inclusions

Opalite

Synthetic Glass / Man-made Opal Simulant

Ruby (Rough/Raw)

Corundum (Al2O3:Cr)

Dyed Quartz Pendant

Silicon Dioxide (SiO2) with artificial dye

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

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

Smoky Quartz

Smoky Quartz (Silicon Dioxide - SiO2)

Zirconia (Ceramic) & Ion-X Glass

Zirconium Dioxide (ZrO2) and Ion-strengthened Aluminosilicate Glass

Likely blue glass or synthetic gemstone jewelry

Uncertain; possibly synthetic spinel, cubic zirconia, or blue glass

Opalite

Man-made Glass (Synthetic Opalized Glass)

Cubic Zirconia (Faceted)

Zirconium dioxide (ZrO2)

Green glass-like cabochon, likely synthetic glass or resin

Unidentified green transparent material; possibly molded glass, synthetic spinel, or resin

Chipped Glass/Plastic Fragment

Silicon dioxide (SiO2) for glass (amorphous) or various polymer compounds for plastic

Man-made Glass (Tumbled/Shaped)

Amorphous Silicon Dioxide (SiO2) with metal oxide colorants

Blue Topaz

Topaz [Al2SiO4(F,OH)2]

Blue Goldstone

Aventurine Glass (SiO2 with Cobalt/Copper inclusions)

Smoky Quartz

SiO2 (Silicon Dioxide)

Blue Goldstone

Aventurine glass (Synthetic borosilicate glass with cobalt and metallic inclusions)

Ruby / Red Corundum

Al2O3 (Aluminum Oxide with Chromium trace)

Turquoise (likely stabilized or simulated Howlite)

CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)

Crackled Quartz (Dyed)

Silicon Dioxide (SiO2)

Opalite

Man-made opalized glass

Opalite (Man-made Glass)

Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)

Clear Quartz (faceted) / Diamond Simulant

Silicon Dioxide (SiO2) / Cubic Zirconia (ZrO2)

Ruby (Faceted)

Corundum (Al2O3:Cr)

Bismuth

Bismuth (Bi)

Blue Sapphire

Corundum (Al2O3 with Cr, Fe, and Ti trace elements)

Goldstone (Synthetic Aventurescence Glass)

Cuprous Aventurescent Glass (Silicon Dioxide with Copper inclusions)

Tumbled amethyst

Quartz, crystalline silicon dioxide (SiO₂), purple variety colored mainly by iron impurities and irradiation