Mineral (Synthetic Glass)

Blue Goldstone

Auraventurine (Synthetic glass with cobalt and copper inclusions)

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Lapis Lazuli

Lazurite-rich metamorphic rock (approx. Na6Ca2(Al6Si6O24)(S,SO4,Cl)1,2)

Green glassy cabochon, likely dyed or synthetic material

Uncertain; possibly green obsidian, chrysoprase, or synthetic glass

Carborundum (Silicon Carbide)

Silicon Carbide (SiC)

Cubic Zirconia (Simulated Diamond)

Zirconium dioxide (ZrO2)

Artificial Rock Face (Faux Rock)

Glass Fiber Reinforced Concrete (GFRC)

Turquoise cabochon jewelry

Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O

Blue-beaded gemstone jewelry, likely lapis lazuli or dyed blue agate

Uncertain from the image; possible lazurite-bearing lapis lazuli (Na₃Ca(Si₃Al₃)O₁₂S) or blue chalcedony (SiO₂)

Note: Item is not a geological specimen

Polyester mesh and Ethylene-vinyl acetate (EVA) polymer

Diamond (or Cut Gemstone / Cubic Zirconia)

Carbon (C)

Colorless faceted gemstone (likely cubic zirconia)

Cubic zirconia, ZrO₂ (synthetic zirconium dioxide); possibly synthetic glass or lab-grown diamond

Ruby

Corundum (Al2O3 with Chromium)

Clear quartz sphere

Quartz (silicon dioxide, SiO₂), likely rock crystal or low-grade milky quartz

Blue Sapphire

Corundum (Al2O3)

Blue Sapphire (likely lab-grown or treated)

Corundum (Aluminum Oxide, Al2O3)

Asphalt / Road Aggregate

Bituminous Conglomerate (synthetic)

Smoky Quartz

Silicon Dioxide (SiO2)

Synthetic Marbled Aggregate (Footwear Component)

Ethylene-vinyl acetate (Croslite™)

Cubic Zirconia (CZ)

Cubic Zirconium Dioxide (ZrO2)

Rose Quartz

Silicon Dioxide (SiO2)

Crackled Quartz (Dyed)

Silicon Dioxide (SiO2)

Colorless faceted gemstone (likely cubic zirconia)

Cubic zirconia, zirconium dioxide (ZrO₂); possibly synthetic quartz or glass imitation

Colorless Gemstone (possibly Diamond or Cubic Zirconia)

C (Diamond) or ZrO2 (Cubic Zirconia)

Silicon

Element Si

Cubic Zirconia

Cubic Zirconium Dioxide (ZrO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Gold and Cubic Zirconia (San Judas Tadeo Pendant)

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

Emerald

Beryl, Be₃Al₂(SiO₃)₆, colored green mainly by chromium and/or vanadium

Dyed Alum or Dyed Quartz (Ornamental Crystal)

Silicon Dioxide (SiO2) or Potassium Alum [KAl(SO4)2·12H2O]

Ruby

Corundum (Al2O3)

Rough White Zircon

Zircon (Zirconium Silicate, ZrSiO4)

Digital Multimeter (Synthetic Object)

Digital Multimeter (DMM)

Blue Sapphire

Corundum (Al2O3) with traces of Iron and Titanium

Cubic Zirconia (Diamond Simulant)

Zirconium Dioxide (ZrO2)

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Pink Sapphire

Corundum (Al2O3 with trace Chromium and Iron)

Carborundum (Silicon Carbide)

Silicon carbide (SiC)

Dyed Agate Slice

Silicon Dioxide (SiO2) with artificial dyes

Diamond (or Cubic Zirconia)

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

Smoky Quartz

Silicon Dioxide (SiO2)

Diamond (or Cubic Zirconia simulant)

C (Carbon) or ZrO2 (Zirconium Dioxide)