Green cabochon gemstone pendant, likely turquoise or dyed green turquoise
Probably turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O; exact identification requires testing
gemstone
Category
Synthetic (Glass)
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Colorless faceted gemstone, likely cubic zirconia
Cubic zirconia (zirconium dioxide, ZrO₂); visual confirmation is unavailable
gemstone
Diamond (or Diamond Simulant)
Carbon (C) if diamond, various if simulant
gemstone
Cubic Zirconia
Zirconium Dioxide (ZrO2)
mineral
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Likely citrine or yellow glass imitation in a silver-tone bracelet
Citrine: quartz, SiO₂; exact material cannot be confirmed visually
gemstone
Beach Pebble Quartzite / Chalcedony Pebble
Silicon Dioxide (SiO2)
metamorphic
Rough Citrine Quartz
Silicon Dioxide (SiO2) with ferric iron impurities
mineral
Silicon
Element Si
mineral
Silicon Carbide (Carborundum)
Silicon Carbide, SiC
mineral
Amber (and Cubic Zirconia)
Fossilized Tree Resin
mineraloid
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Sapphire (Blue)
Corundum (Al2O3)
mineral
White Sapphire
Corundum (Al2O3)
mineral
Yellow Sapphire
Corundum (Al2O3:Fe)
gemstone
Green Fluorite (likely synthetic or heat-treated for jewelry)
Calcium Fluoride (CaF2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Faceted blue gemstone, likely blue topaz or synthetic spinel
Topaz (Al₂SiO₄(F,OH)₂) or synthetic spinel (MgAl₂O₄); image insufficient for certainty
gemstone
Parti Sapphire
Corundum (Al2O3)
mineral
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities and natural radiation
mineral
Goldstone
Avventurina (Cu + SiO2 glass)
mineral
Man-made Synthetic Material (Not a rock or mineral)
Polyester (Polyethylene terephthalate) / Faux Fur
Synthetic / Textile
Synthetic Costume Glove (Paws)
Polyethylene terephthalate (Polyester) & Polyurethane blend
Non-geological / Man-made textile
Cubic Zirconia
Cubic Zirconium Dioxide (ZrO2)
mineral
Plastic Building Toy (Lego-style piece)
Acrylonitrile Butadiene Styrene (ABS)
not a rock/mineral
Blue Goldstone
Aventurine glass (Synthetic borosilicate glass with cobalt and metallic inclusions)
man-made glass
Man-made Synthetic Material (Plastic/Composite)
Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)
Non-geological / Synthetic
Tourmalinated Quartz
Crystalline Silicon Dioxide with Schorl inclusions (SiO2 + NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Blue Sapphire
Corundum (Al2O3)
mineral
Colorless faceted gemstone, likely cubic zirconia
Cubic zirconia (synthetic zirconium dioxide, ZrO₂); possibly colorless quartz or laboratory diamond
gemstone
Pearls (likely freshwater cultured pearls)
Pearl: nacre, primarily aragonite (CaCO₃) with conchiolin
gemstone
Lapis Lazuli
Lazurite-rich metamorphic rock (approx. Na6Ca2(Al6Si6O24)(S,SO4,Cl)1,2)
metamorphic
Painted Rock
Weathered Sedimentary Rock (Painted)
sedimentary
Painted River Rock
Painted Quartzite or Smooth Siltstone
sedimentary
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Amber (Simulated/Faturan Style)
Resin mix (Likely Phenolic/Celluloid if synthetic, Succinite if natural)
Organic Gemstone (not a mineral)
Note: Item is not a geological specimen
Polyester mesh and Ethylene-vinyl acetate (EVA) polymer
Synthetic / Anthropogenic Material
Blue Sapphire
Corundum (Al2O3 with trace Titanium and Iron)
mineral
Colorless faceted gemstone, likely cubic zirconia
Cubic zirconia (synthetic ZrO₂), possibly glass or quartz
gemstone
Jadeite and Mixed Gemstones (Ruby, Sapphire, Emerald)
Jadeite (NaAlSi2O6), Corundum (Al2O3), Beryl (Be3Al2(Si6O18))
mineral
Citrine
Citrine (Silicon Dioxide, SiO2)
mineral
Diamond (Cut Gemstone)
Carbon (C)
gemstone