Mineral (Treated)

Banded Agate (specifically Sardonyx or Carnelian Agate)

Silicon Dioxide (SiO2) - Chalcedony variety

Yellow Quartz Pebble (Citrine or Iron-stained Quartz)

Silicon Dioxide (SiO2)

Purple Dyed Dalmatian Stone

Dyed Peralkaline Trachyte

Tumbled green stone, likely serpentine

Serpentine-group minerals, commonly antigorite or chrysotile; approximate formula Mg₃Si₂O₅(OH)₄

Tumbled chalcedony (likely carnelian or brown jasper)

Microcrystalline quartz, SiO₂; iron-bearing varieties may be called carnelian

Peacock Ore (Bornite/Chalcopyrite)

Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2)

Yellow Quartz

Silicon Dioxide (SiO2)

Blue Agate (Dyed)

Silicon Dioxide (SiO2) - Variety of Chalcedony

Yellow Quartz (Chalcedony/Citrine Pebble)

Silicon Dioxide (SiO2)

Blue turquoise cabochon

Turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O; likely dyed or stabilized, flower-shaped polished piece

Tumbled turquoise cabochon

Turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O; possibly stabilized or dyed material

Pink quartz (likely rose quartz)

Quartz, silicon dioxide (SiO₂), likely rose quartz; possibly lab-created or treated

Quartz (Citrine / Golden Quartz)

Silicon Dioxide (SiO2)

Quartz (Milky Quartz/Citrine Type)

Silicon Dioxide (SiO2)

Turquoise-style beaded bracelet

Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O; possibly dyed or composite beads

Pink agate (likely dyed or coated)

Microcrystalline quartz, SiO₂ (chalcedony/agate)

Tumbled golden-brown crystal, possibly citrine or quartz

Quartz (SiO₂), tentatively iron-stained or heat-treated citrine

Blue Cracked Quartz (Dyed Fire Crackle Quartz)

Silicon Dioxide (SiO2) with synthetic dye

Blue-green peacock chalcopyrite

Chalcopyrite, CuFeS₂, artificially oxidized/iridescent-coated

Faceted yellow gemstone, possibly citrine

Unconfirmed; citrine is yellow quartz (SiO₂)

Oak-grain Laminate (Industrial/Decorative Furniture Finish)

Melamine Resin-impregnated Decorative Paper on Particleboard (Cellulose/Thermosetting Plastic)

Yellow Quartz (Citrine/Yellow Jasper)

Silicon Dioxide (SiO2)

Blue-green turquoise-bearing rock

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

Polished labradorite cabochon

Labradorite, plagioclase feldspar; approximately NaAlSi₃O₈–CaAl₂Si₂O₈

Citrine Quartz

Crystalline Silicon Dioxide (SiO2) with Ferric Iron impurities

Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Blue Topaz

Al2SiO4(F,OH)2 (Fluorine-bearing aluminum silicate)

Black Onyx (Tumbled)

Chalcedony (Silicon Dioxide, SiO2)

Dragon Vein Agate

Chalcedony (Quartz) - SiO2

Tumbled dark-blue stone, likely sodalite

Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂ (tentative)

Citrine Quartz

Silicon Dioxide (SiO2)

Rhodolite Garnet

Magnesium Aluminum Silicate; formula: (Mg,Fe)3Al2(SiO4)3

Likely smoky quartz cabochon ring

Quartz, silicon dioxide (SiO₂), probably smoky quartz; visual identification is uncertain because the stone is mounted and reflective

Garnet in Matrix (likely Almandine Garnet)

Almandine (Fe3Al2(SiO4)3)

Citrine (Heat-treated Amethyst)

Citrine Quartz (SiO2)

Polished carnelian (likely)

Carnelian, a reddish-orange cryptocrystalline quartz variety; SiO₂

Blue chalcedony (likely dyed or coated)

Microcrystalline quartz, SiO₂ (chalcedony)

Jade bangle

Nephrite jade (compact amphibole aggregate; chiefly tremolite–actinolite, Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂), possibly jadeite jade

Tumbled turquoise

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

Turquoise

Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O

Emerald

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

Ruby

Corundum (Al2O3 with Chromium trace impurities)