Sedimentary (Synthetic)

Tumbled turquoise cabochon

Turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O

Beach Pebble Quartzite / Chalcedony Pebble

Silicon Dioxide (SiO2)

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 cubic zirconia

Cubic zirconia (synthetic ZrO₂), possibly glass or quartz

Note: This is a Man-Made Object (Costume/Prop Patch)

Synthetic fiber and pigments (Cellulose/Plastic-based composite)

Gold and Cubic Zirconia (San Judas Tadeo Pendant)

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

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

Blue-green turquoise (probable)

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

Fursuit (Synthetic Fur Specimen)

Canis anthropomorphus syntheticus

Diamond (or Diamond Simulant)

Carbon (C) if diamond, various if simulant (e.g., Cubic Zirconia - ZrO2, Moissanite - SiC)

Turquoise-colored ring stone (possibly turquoise or imitation)

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

Diamond ring (likely diamond with gold band)

Diamond, crystalline carbon (C); band appears gold alloy

Cubic Zirconia (Simulated Diamond)

Cubic Zirconia (ZrO2)

Cut gemstone ring, likely diamond

Diamond (carbon, C), faceted gemstone; exact stone identification is uncertain from the image

Smoky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Ruby

Corundum (Al2O3 with Chromium traces)

Ruby (in jewelry)

Corundum (Al2O3 with Chromium traces)

Blue Topaz

Topaz [Al2SiO4(F,OH)2]

Amethyst (Tumbled/Weathered Quartz)

Amethyst (SiO2 with iron impurities)

Smoky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Smoky Quartz (Silicon Dioxide - SiO2)

Rough Citrine Quartz

Silicon Dioxide (SiO2) with ferric iron impurities

Smoky Quartz

Silicon Dioxide (SiO2)

Opalite glass sphere (likely synthetic imitation)

Man-made opalescent glass; not natural opal

Pink tourmaline (rubellite)

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

Amethyst ring

Amethyst, purple quartz (SiO₂), likely set with diamond or other accent stones

Labradorite cabochon

Labradorite, a calcium-rich plagioclase feldspar; approximately (Ca,Na)(Al,Si)₄O₈

Ametrine

Ametrine (SiO2 - Silicon Dioxide with trace amounts of Iron)

Colorless faceted gemstone (likely cubic zirconia)

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

Blue-green gemstone ring, likely treated turquoise or synthetic/treated beryl

Indeterminate from image; possibilities include turquoise (CuAl6(PO4)4(OH)8·4H2O), apatite, or treated beryl

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)

Ruby (set in a gold pendant)

Ruby (Variety of Corundum, Al2O3)

Opalite

Synthetic Glass (Hydrated Crystalline Silicon Dioxide simulation)

Opal

Hydrous silicon dioxide (SiO2·nH2O)

Terrazzo (Synthetic Composite Rock)

Cementitious or Epoxy Resin-bound Aggregates

Polished honey-yellow quartz-like crystal

Quartz (SiO₂), possibly citrine or heat-treated amethyst

Diamond jewelry pendant or cluster

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

Man-made Glass (Tumbled/Shaped)

Amorphous Silicon Dioxide (SiO2) with metal oxide colorants

Green glassy gemstone-like specimen

Likely synthetic glass or treated quartz; exact identification requires testing

Blue topaz pendant

Topaz (Al₂SiO₄(F,OH)₂), likely treated blue topaz