Mineral (Man Made Aura Treatment)

Polished agate (likely carnelian or dyed red agate)

Chalcedony, microcrystalline quartz (SiO₂)

Diamond (or Cubic Zirconia simulant)

Carbon (C) - Diamond / Zirconium dioxide (ZrO2) - CZ

Carnelian agate

Cryptocrystalline quartz (SiO₂), iron-oxide-bearing chalcedony

Tumbled pastel gemstone bead strand

Likely dyed or heat-treated quartz/chalcedony varieties, possibly rose quartz, amethyst, and agate

Obsidian (likely blue-sheen or coated obsidian)

Volcanic glass; primarily rhyolitic silica glass (SiO₂-rich, noncrystalline)

Red chalcedony (likely dyed or heat-treated)

Microcrystalline quartz, SiO₂; possibly red agate/carnelian

Blue chalcedony (likely dyed or polished)

Microcrystalline quartz, SiO₂ (chalcedony variety)

Druzy agate/geode (likely seam agate with quartz)

Microcrystalline quartz (chalcedony), SiO₂, with crystalline quartz druse and iron-oxide matrix

Blue chalcedony (likely common blue agate)

Microcrystalline quartz, SiO₂; chalcedony variety

Tumbled orange quartz (likely citrine or iron-stained quartz)

Quartz, silicon dioxide (SiO₂), possibly Fe³⁺-colored citrine

Tumbled quartz pebble, possibly citrine or pale smoky quartz

Quartz (SiO₂), likely microcrystalline/tumbled material

Aragonite crystal cluster

Aragonite, orthorhombic calcium carbonate (CaCO₃)

Polished banded calcite (often sold as “green onyx” or “Pakistan onyx”); likely a carved calcite egg

Calcite, CaCO₃; banded variety commonly called onyx marble

Blue apatite

Apatite-group phosphate, commonly fluorapatite (Ca5(PO4)3F)

Tumbled aquamarine-like beryl

Beryl, Be₃Al₂Si₆O₁₈ (likely pale blue-green variety)

Tumbled carnelian

Carnelian, a red-orange variety of cryptocrystalline chalcedony (SiO₂)

Tumbled blue-gray chalcedony (likely blue quartz or agate)

Microcrystalline quartz, SiO₂; likely chalcedony, possibly dyed

Polished orange agate beads

Chalcedony, microcrystalline quartz (SiO₂), commonly sold as agate

Tumbled amethyst

Quartz, silicon dioxide (SiO₂), purple variety colored mainly by iron impurities and irradiation

Tumbled amethyst quartz

Quartz, SiO₂; purple coloration from trace iron and irradiation

Calcite crystal

Calcite, CaCO₃

Purpurite

Purpurite (MnPO4)

Dyed Dragon Vein Agate

Silicon Dioxide (SiO2) with artificial pigment

Rough Corundum (Sapphire/Ruby mixture)

Corundum (Aluminum Oxide, Al2O3)

Blue topaz-style pendant gemstone

Likely blue topaz (Al₂SiO₄(F,OH)₂); the image cannot confirm the stone or whether it is natural or synthetic.

Colorless faceted gemstone, likely glass or cubic zirconia

Uncertain; possible cubic zirconia (ZrO₂) or quartz (SiO₂), but the image may show a man-made simulant

Colorless faceted quartz-like gemstone

Likely quartz (SiO₂), though the appearance may also indicate man-made glass or cubic zirconia

Pale green beryl (likely aquamarine)

Beryl, Be₃Al₂Si₆O₁₈; blue-green varieties are aquamarine

Polished banded agate slab

Agate, microcrystalline quartz (SiO₂), commonly with chalcedony and minor quartz, iron oxides, and other trace minerals

Amethyst

Quartz, SiO₂, purple variety

Raw yellow calcite

Calcite, calcium carbonate (CaCO₃)

Polished fossil coral (likely fossilized honeycomb or tabulate coral)

Fossilized tabulate coral; commonly Favosites or related genera, preserved mainly as calcite (CaCO₃)

Orange chalcedony (likely carnelian)

Microcrystalline quartz, SiO₂; iron-bearing variety commonly called carnelian

Carved orange coral (likely bamboo coral)

Calcareous coral, principally aragonite (CaCO₃); possibly dyed bamboo coral, Isididae

Amethyst-bearing quartz cluster

Quartz, SiO₂, with purple amethyst (iron-bearing quartz)

Diamond (or Diamond Simulant)

Carbon (C)

Mixed gemstone bead strand, likely amethyst and assorted colored stones

Likely purple quartz (amethyst, SiO₂) mixed with unidentified green, orange, and reddish beads

Blue slag glass / industrial smelter slag

Man-made iron-rich silicate slag; composition variable, commonly Fe–Ca–Mg–Al silicates with glassy phases

Prasiolite (Green Quartz)

Silicon Dioxide (SiO2) with iron impurities

Honey calcite (likely)

Calcite — calcium carbonate, CaCO₃

Pink Himalayan Salt Rock (Halite)

Halite (Sodium Chloride, NaCl)

Himalayan Pink Salt (Halite)

Halite (Sodium Chloride, NaCl)