Mineral (Synthetic)

Faceted blue gemstone, likely blue topaz or synthetic spinel

Topaz (Al₂SiO₄(F,OH)₂) or synthetic spinel (MgAl₂O₄); image insufficient for certainty

Opalite-style pendant (likely synthetic glass, not natural opal)

Opalescent glass; commonly sold as “opalite” (not a recognized mineral species)

Amethyst ring

Amethyst, purple quartz (SiO₂)

Smoky Quartz

Silicon Dioxide (SiO2) with aluminum impurities and natural radiation

Tourmalinated Quartz

Crystalline Silicon Dioxide with Schorl inclusions (SiO2 + NaFe3Al6(BO3)3Si6O18(OH)4)

Turquoise-colored ring stone (possibly turquoise or imitation)

Turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O; identity cannot be confirmed from the image

Black faceted gemstone, possibly black spinel or onyx

Undetermined; candidates include spinel (MgAl₂O₄) or chalcedony (SiO₂)

Iridescent polished gemstone, likely opal

Common or precious opal (hydrated amorphous silica, SiO₂·nH₂O), possibly synthetic or glass imitation

Diamond jewelry pendant or cluster

Diamond, crystalline carbon (C), likely mounted in metal

Moonstone cabochon (probable)

Adularescent feldspar, usually orthoclase–albite intergrowth (KAlSi3O8–NaAlSi3O8)

Raw ruby (likely corundum)

Corundum, Al₂O₃; red color caused mainly by chromium

Beach Pebble Quartzite / Chalcedony Pebble

Silicon Dioxide (SiO2)

Citrine

Citrine (Silicon Dioxide, SiO2)

Iolite (Cordierite)

Cordierite (Magnesium Aluminum Silicate), Mg2Al4Si5O18

Smoky Quartz (with Druzy/Polished Edge)

Smoky Quartz (Silicon Dioxide, SiO2)

Artificial Rock Face (Faux Rock)

Glass Fiber Reinforced Concrete (GFRC)

Smoky Quartz

Silicon Dioxide (SiO2)

Dalmatian Stone

Dalmatian Stone (Felsic Igneous Rock)

Iridescent polished/tumbled stone (likely coated quartz or glassy synthetic material)

Indeterminate; possibly quartz (SiO₂) with an artificial iridescent coating

Strawberry Quartz

Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)

Zircon

Zirconium Silicate (ZrSiO₄)

Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass)

Silicon Dioxide (SiO2) with metallic inclusions

Carborundum (Silicon Carbide)

Silicon Carbide (SiC)

Green glassy gemstone-like specimen

Likely synthetic glass or treated quartz; exact identification requires testing

Diamond

Natural Diamond (Carbon, C)

Diamond (Cut Gemstone)

Carbon (C)

Note: Item is a Synthetic/Man-made Object

Titanium-coated Stainless Steel (Fe-Cr-Ni-Ti)

Green aventurine bead (likely)

Quartz, SiO₂, with green fuchsite inclusions

Bismuth crystal

Bismuth (Bi), commonly laboratory-grown

Tiger’s-eye

Chatoyant quartz (SiO₂), commonly pseudomorphic quartz after crocidolite

Sapphire (Blue)

Corundum (Al2O3)

White Sapphire

Corundum (Al2O3)

Blue quartz crystal (likely synthetic or coated quartz)

Quartz, silicon dioxide (SiO₂); possible aqua-aura quartz

Likely blue glass or synthetic gemstone jewelry

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

Faceted glass-like gemstone (likely synthetic quartz or cubic zirconia)

Identification uncertain; possibilities include synthetic quartz (SiO₂) or cubic zirconia (ZrO₂)

Colorless faceted gemstone, likely cubic zirconia

Cubic zirconia (synthetic ZrO₂), possibly glass or quartz

Turquoise cabochon pendant

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

Red faceted gemstone, likely synthetic ruby or red glass

Ruby: corundum, aluminum oxide (Al₂O₃), chromium-colored; identity cannot be confirmed visually

Diamond

Carbon (C)

Blue Goldstone

Aventurine Glass

Pink tourmaline (rubellite)

Elbaite tourmaline, lithium sodium aluminum borosilicate: Na(Li1.5Al1.5)Al6(BO3)3Si6O18(OH)4

Emerald

Beryl (Be3Al2(SiO3)6) with trace Chromium/Vanadium