Mineral (Man Made Aura Treatment)

Dyed Alum or Dyed Quartz (Ornamental Crystal)

Silicon Dioxide (SiO2) or Potassium Alum [KAl(SO4)2·12H2O]

Blue calcite

Calcite (calcium carbonate, CaCO₃)

Man-made Synthetic Material (Not a rock or mineral)

Polyester (Polyethylene terephthalate) / Faux Fur

Kidney Stone (Calcium Oxalate / Uric Acid)

Calcium Oxalate Monohydrate (Whewellite) / Calcium Oxalate Dihydrate (Weddellite)

Optical Calcite (Iceland Spar)

Calcite (Calcium Carbonate, CaCO3)

Tumbled blue stone, likely blue aventurine or dyed quartzite

Quartz (SiO₂), likely with inclusions or artificial dye; exact identification requires testing

Blue chalcedony (likely common blue agate)

Microcrystalline quartz, SiO₂; chalcedony variety

Brick

Fired clay or Ceramic material (no specific mineralogical scientific name as it's a composite)

Man-made Ceramic / Clay Figurine

Aluminosilicate Ceramic (Processed Clay)

Tumbled yellow chalcedony (likely citrine or yellow quartz)

Quartz, SiO₂; potentially microcrystalline chalcedony

Tumbled yellow quartz, likely citrine or iron-stained quartz

Quartz (SiO₂), possibly citrine variety

Black Onyx

Silicon Dioxide (SiO2)

Green Quartz (Prasiolite)

Silicon Dioxide (SiO2) with trace impurities

Tumbled black-and-white banded stone, likely onyx or agate

Cryptocrystalline quartz (SiO₂), probably banded chalcedony/onyx

Chert (Arrowhead/Artifact Fragment)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Fossil shell fragment

Likely a fossilized brachiopod or bivalve; exact taxon cannot be determined from the image

Green Calcite

Calcium Carbonate (CaCO3)

Dyed Pink Dragon Vein Agate

Silicon Dioxide (SiO2) with artificial dye additives

Calcite

Calcium Carbonate (CaCO3)

Botryoidal calcite (likely calcite concretion)

Calcite, calcium carbonate (CaCO₃)

Obsidian (likely blue-sheen or coated obsidian)

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

Smoky Quartz

Silicon Dioxide (SiO2)

Tumbled carnelian

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

Polished pink banded agate

Microcrystalline quartz (chalcedony), SiO₂

Man-made Jewelry Charm (Enameled Metal)

Not a natural mineral; composed of base metal alloy (likely zinc or brass) and epoxy resin/enamel.

Prasiolite (Green Quartz)

Silicon Dioxide (SiO2) with iron impurities

Dyed Chalcedony (Agate)

Silicon Dioxide (SiO2) with artificial pigment

Cobalt Glass Slug (Man-made Glass)

Amorphous Silica with Cobalt Oxide (SiO2 + CoO)

Dyed Quartz / Rose Quartz Imitation

Silicon Dioxide (SiO2) with artificial pigment

Calcite specimen

Calcite (calcium carbonate, CaCO₃), likely botryoidal or drusy calcite

Honey calcite (likely)

Calcite — calcium carbonate, CaCO₃

Calcite crystal cluster (dogtooth/saddle calcite)

Calcite — calcium carbonate, CaCO₃

Aqua Aura Quartz

Titanium/Gold-coated Silicon Dioxide (SiO2)

Opalite (a synthetic glass, often confused with Opal)

Silicon dioxide glass (SiO2nH2O, for natural opal)

Polished pink-and-white quartz bead bracelet

Quartz (SiO₂), likely rose quartz and milky quartz; some orange beads may be iron-stained quartz or pale carnelian

Polished amethyst pyramid

Amethyst, purple quartz (SiO₂)

Smoky Quartz

Smoky Quartz (Silicon Dioxide, SiO2)

Pink Himalayan Salt Rock (Halite)

Halite (Sodium Chloride, NaCl)

Amethyst and clear gemstone ring

Amethyst (purple quartz, SiO₂), likely set with colorless quartz or glass accents

Dyed Dragon Vein Agate

Silicon Dioxide (SiO2) with artificial pigment

Peacock Ore (Treated Chalcopyrite)

Copper Iron Sulfide (CuFeS2) coated with oxides