Sedimentary (Synthetic)

Aura Quartz

Silicon Dioxide (SiO2) with Titanium/Metal vapor coating

Dalmatian Stone

Dalmatian Jasper (a misnomer) / Perthitic Feldspar Rock

Diamond (Faceted Colorless)

Diamond (Pure Carbon, C)

Colorless Gemstone (possibly Diamond or Cubic Zirconia)

C (Diamond) or ZrO2 (Cubic Zirconia)

Pearl and Garnet Glass

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

Lapidary Wax (imitation/wax model)

Hydrocarbon wax blend with colorant (imitating Lapis Lazuli/Emerald)

Blue Sapphire

Corundum (Al2O3) with traces of Iron and Titanium

Malachite

Copper carbonate hydroxide [Cu2CO3(OH)2]

Red synthetic corundum (ruby-colored lab-grown sapphire)

Corundum, aluminum oxide (Al₂O₃), likely synthetic and chromium-colored

Cubic Zirconia (Faceted)

Zirconium dioxide (ZrO2)

Anthropogenic Heat Source (Electronic/Industrial Interface)

Thermal IR emission (Electronic infrastructure)

Cubic Zirconia

Zirconium Dioxide (ZrO2)

Blue Sapphire (Synthetic or Man-made Glass Imitation)

Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic

Iridescent coated quartz (likely synthetic/display gemstone)

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

Pink Dyed Agate

Silicon Dioxide (SiO2) - Variety Agate

Cat's Eye Moonstone (Simulated/Synthetic or natural Cat's Eye Quartz/Glass)

There is no single scientific name. The appearance suggests either: Moonstone (feldspar group), Cat's Eye Quartz (SiO2), Apatite (Ca5(PO4)3(F,Cl,OH)), or most likely a synthetic material such as Fiber Optic Glass or 'Opalite' (a type of glass).

Blue sapphire ring

Corundum, aluminum oxide (Al₂O₃), blue variety colored mainly by iron and titanium

Ruby (Faceted)

Corundum (Al2O3:Cr)

Bismuth

Bismuth (Bi)

Cobalt Glass Slug (Man-made Glass)

Amorphous Silica with Cobalt Oxide (SiO2 + CoO)

Silicon Carbide (Carborundum)

Moissanite (SiC)

Cubic Zirconia (CZ)

Zirconium dioxide (ZrO2)

Dyed Agate

Silicon Dioxide (SiO2) - variety Chalcedony

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

Calcium Fluoride (CaF2)

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

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

Synthetic Ruby (Jewel Bearings)

Synthetic Corundum (Al2O3 doped with Chromium)

Ruby

Corundum (Al2O3 with Chromium traces)

Green glass-like cabochon, likely synthetic glass or resin

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

Cubic Zirconia (Set in Jewelry)

Zirconium Dioxide (ZrO2)

Diamond (or Cubic Zirconia)

Carbon (C) or Zirconium Dioxide (ZrO2)

Ruby

Corundum (Al2O3)

Silicon Carbide (Carborundum)

Silicon Carbide (SiC)

Red Agate (Carnelian)

Silicon Dioxide (SiO2)

Hematite

Iron(III) oxide (Fe2O3)

Diamond (Faceted Gemstone)

Native Carbon (C)

Blue Sapphire

Corundum (Al2O3)

Yellow faceted gemstone earrings, likely citrine or yellow beryl

Citrine: quartz, SiO₂; possible yellow beryl: Be₃Al₂Si₆O₁₈

Lapis Lazuli

Lapis lazuli (Rock composed primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)

Emerald in Matrix

Beryl (Be3Al2Si6O18) with trace amounts of Chromium/Vanadium

Man-made Jewelry Charm (Enameled Metal)

Not a natural mineral; composed of base metal alloy (likely zinc or brass) and epoxy resin/enamel.

Ruby (varietal of Corundum)

Corundum (Al2O3:Cr)

Milky Quartz

Crystalline Silicon Dioxide (SiO2)