Mineral With Artificial Coating

Aura Quartz Geode (Angel Aura Quartz)

Silicon Dioxide (SiO2) bonded with precious metals

Blue resin-coated or dyed stone cabochon

Likely dyed chalcedony/agate (microcrystalline quartz, SiO₂); exact material is uncertain from the image

Red-and-blue jasper (likely ocean jasper or dyed/polished jasper)

Microcrystalline quartz, chiefly SiO₂; jasper is an opaque chalcedony variety colored by iron oxides and other impurities

Amethyst geode slices

Amethyst, purple quartz (SiO₂)

Painted Rock

Rock coated with synthetic acrylic paint

Druzy chalcedony pendant, likely coated or dyed

Microcrystalline quartz (SiO₂), chalcedony with druzy quartz; surface may have titanium or metallic coating

Iridescent coated quartz (likely synthetic/display gemstone)

Quartz, silicon dioxide (SiO₂), likely faceted and surface-coated; exact material cannot be confirmed visually

Aura Quartz (Coated Quartz)

Silicon Dioxide (SiO2) coated with vaporized metals

Dyed turquoise-colored lava stone beads

Vesicular basalt (scoria), commonly sold as dyed lava rock

Copper-bearing rock, likely bornite/chalcopyrite in iron-rich matrix

Chalcopyrite (CuFeS₂) and/or bornite (Cu₅FeS₄) in limonite/goethite matrix

Dyed druzy quartz pendant

Quartz, SiO₂; likely a dyed druzy quartz cluster

Likely vertebra fossil or bone fragment

Indeterminate fossilized vertebra; mineralized hydroxyapatite, commonly Ca₅(PO₄)₃(OH)

Iridescent bismuth crystal

Bismuth (Bi), commonly laboratory-grown and oxide-coated

Blue-green peacock chalcopyrite

Chalcopyrite, CuFeS₂, artificially oxidized/iridescent-coated

Aura Quartz (Pink/Rose Aura Quartz)

Silicon Dioxide (SiO2) bonded with Platinum and/or Silver

Blue Aura Quartz

Silicon Dioxide (SiO2) with metallic vapor coating

Iridescent bismuth crystal

Bismuth (Bi), artificially crystallized

Clear quartz crystal point

Quartz (silicon dioxide, SiO₂), likely a polished or cut crystal

Chalcopyrite (Peacock Ore)

Copper Iron Sulfide (CuFeS2)

Polished blue obsidian with a pale mineral crust

Obsidian (volcanic glass), likely coated or encrusted with quartz/calcite

Tumbled quartz pebble, likely iron-stained quartz

Quartz (silicon dioxide, SiO₂), possibly milky quartz with limonite/goethite staining

Polished breccia-like rock specimen

Likely polymictic breccia or brecciated jasper, with quartz-rich fragments

Blue dyed mineral or stone fragment (identity uncertain)

Not reliably identifiable from the image; possibly dyed quartz or another porous stone

Aura Quartz (Pink/Magenta Aura Quartz)

Silicon Dioxide (SiO2) treated with vapor-deposited precious metals

Bismuth crystal

Bismuth (Bi), artificially crystallized

Angel Aura Quartz

Silicon dioxide treated with precious metals (SiO2)

Aura Agate

Silicon Dioxide with metal coating (SiO2)

Rainbow aura quartz cluster

Quartz, silicon dioxide (SiO₂), artificially coated with a thin metallic film

Native bismuth

Bismuth (Bi), commonly artificially crystallized

Dyed, polished stone—possibly rhodonite or pink jasper

Likely rhodonite (MnSiO₃) or manganese-rich jasper; exact identification requires testing

Metallic Ornament / Jewelry

N/A - This is an artificial object, not a geological specimen.

Iridescent bismuth crystal

Bismuth (Bi), artificially crystallized and likely oxidized/coated

Wood Paneling

Engineered Wood / Plywood Paneling

Peacock ore (iridescent chalcopyrite), likely heat-treated

Chalcopyrite, CuFeS₂; commonly sold as artificially oxidized “peacock ore”

Dyed druzy quartz geode

Quartz, silicon dioxide (SiO₂), likely artificially dyed

Not a rock, mineral, or geological specimen

Tumbled purple stone, likely amethyst-bearing quartzite or dyed quartz

Quartz (SiO₂), possibly microcrystalline quartzite; purple color may be from iron-related amethyst or artificial dye

Dyed blue quartz or druzy geode (likely)

Quartz, silicon dioxide (SiO₂), probably artificially colored

Mixed sandstone and iron-rich sedimentary rock fragments

Quartz arenite/subarkose, with ferruginous cement and possible iron-oxide staining

Bismuth crystal

Bismuth (Bi), synthetic laboratory-grown crystal

Peacock ore (iridescent chalcopyrite, possibly bornite)

Chalcopyrite, CuFeS₂; the iridescent surface may be natural tarnish or artificial acid treatment. Similar material is bornite, Cu₅FeS₄.

Dyed Tourmaline / Rubellite

Complex cyclosilicate, often Schorl or Elbaite base with artificial dye