Synthetic Or Natural Fiber

Emerald

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)

Blue-green turquoise (probable)

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

Synthetic Marbled Aggregate (Footwear Component)

Ethylene-vinyl acetate (Croslite™)

Moonstone cabochon (probable)

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

Selenite (satin spar gypsum)

Gypsum, CaSO₄·2H₂O; fibrous variety commonly sold as satin spar

Tumbled amethyst

Amethyst, purple quartz (SiO₂)

Blue Goldstone

Synthetic glass with copper or cobalt/manganese inclusions

Yellow Chalcedony (Agate)

Silicon Dioxide (SiO2)

Blue-green agate (likely tumbled and polished beads)

Microcrystalline quartz, chiefly chalcedony (SiO₂); exact variety cannot be confirmed from the photo

Hematite bead strand

Hematite, α-Fe₂O₃ (iron(III) oxide)

Emerald

Beryl (Be₃Al₂(SiO₃)‑₆) with Chromium/Vanadium impurities

Bismuth crystal

Bismuth (Bi), commonly laboratory-grown

Synthetic Resin / Plastic Figurine

Synthetic Polymer (Copolymer of Polyethylene or Resin)

Polished greenstone (likely nephrite jade)

Nephrite, a fibrous aggregate of amphibole minerals, chiefly tremolite–actinolite, Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂

Blue Sapphire

Corundum (Al2O3)

Dyed Purple Agate Sliced Tablet

Silicon Dioxide (SiO2), variety Chalcedony

Colorless faceted gemstone, likely cubic zirconia or diamond

Uncertain from image; cubic zirconia (ZrO₂) is a common diamond simulant, while diamond is crystalline carbon (C)

Polished blue chalcedony (likely blue quartz/chalcedony)

Microcrystalline quartz, SiO₂; blue color commonly from inclusions or coloration

Tumbled turquoise cabochon

Turquoise, 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)

Colorless faceted gemstone, likely glass or cubic zirconia

Probably cubic zirconia (zirconium dioxide, ZrO₂); diamond cannot be confirmed visually

Black faceted gemstone, likely spinel or black tourmaline

Most plausibly black spinel (MgAl₂O₄); visually similar possibilities include schorl tourmaline (NaFe₃Al₆(BO₃)₃Si₆O₁₈(OH)₄) or synthetic glass

Strawberry Quartz (Hematoid Quartz)

Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)

Tumbled blue chalcedony (probable)

Chalcedony, microcrystalline quartz (SiO₂), possibly blue quartz or dyed chalcedony

White Opal

Hydrated Amorphous Silica (SiO2·nH2O)

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

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

Cultured Marble (Synthetic)

Polymer-matrix composite (typically calcium carbonate in polyester resin)

Strawberry Quartz (Lepidocrosite/Hematite-Included Quartz)

Quartz (Silicon Dioxide) with Lepidocrosite or Hematite inclusions (SiO2 + Fe2O3 · nH2O)

Diamond-set ring (likely lab-grown or natural diamonds)

Diamond, crystalline carbon (C)

Blue Opal Inlay (Simulated/Lab-created)

Hydrated Amorphous Silica (SiO2·nH2O) with polymer resin

Black cabochon gemstone, likely onyx or agate

Likely chalcedony (microcrystalline quartz, SiO₂); exact identification is not possible from the photo

Dalmatian Stone

Dalmatian Stone (Felsic Igneous Rock)

Blue Cracked Quartz (Dyed Fire Crackle Quartz)

Silicon Dioxide (SiO2) with synthetic dye

Goldstone

Aventurine glass (Synthetic glass with copper inclusions)

Purple faceted gemstone, likely amethyst or synthetic colored corundum

Amethyst: quartz (SiO₂); possible alternative: purple corundum (Al₂O₃) or glass

Polished purple gemstone, likely amethyst

Amethyst: purple quartz, silicon dioxide (SiO₂)

Polished Tiger’s Eye

Tiger’s eye quartz; SiO₂ with parallel crocidolite-derived inclusions

Citrine

Citrine (Silicon Dioxide, SiO2)

Polished tiger’s-eye

Tiger’s-eye quartz (fibrous chalcedony/quartz, SiO₂)

Smoky Quartz

Silicon Dioxide (SiO2)

Clear faceted gemstone, likely quartz (rock crystal)

Quartz, silicon dioxide (SiO₂); visual identification is uncertain because the stone is heavily faceted and photographed with flash

Carnelian (red-orange chalcedony)

Chalcedony, microcrystalline quartz (SiO₂), iron-oxide colored