Not A Natural Rock (Man Made Composite)

Cubic Zirconia (Jewelry Setting)

Cubic Zirconia (ZrO2)

Mystic Topaz

Aluminum Silicate Fluoride Hydroxide (Al2SiO4(F,OH)2) with metallic film coating

Aura Quartz (Titanium/Gold coated)

Silicon Dioxide (SiO2) with metallic vapor deposition

Opalite

Man-made glass (traditionally simulated Opal)

Smelter Slag

Anthropogenic Silicate Slag

Likely blue-green glassy slag or a weathered mineral fragment

Unidentified; the image does not show diagnostic features sufficient for a mineral identification

Opalite (likely man-made glass)

Opalite; amorphous silica glass, not a natural mineral

Silicon Carbide (Carborundum)

Silicon Carbide (SiC) / Moissanite (natural)

Goldstone (aventurine glass)

Synthetic copper-bearing soda-lime glass; commonly sold as red goldstone

Diamond (or Cubic Zirconia)

Carbon (C) or Zirconium Dioxide (ZrO2)

Opalite (likely man-made opalescent glass)

Opalite; not a true mineral, typically synthetic opalescent glass (silica-based)

Ironstone Concretion (Pot Stone)

Siderite or Limonite Concretion (FeCO3 or FeO(OH)·nH2O)

Porcelain (White Ceramic)

Mullite-bearing Vitrified Ceramic (Major phases: Mullite Al6Si2O13, Glassy Silica SiO2)

Chert Concretion (with typical hematite/limonite staining)

Sedimentary Concretion (SiO2 with FeO(OH)⋅nH2O)

Slag (Industrial Byproduct)

Artificial silicate/iron byproduct

Tumbled opalite (likely man-made glass)

Opalite glass; a synthetic opalescent glass, not a natural mineral species

Green sea glass (likely)

Man-made glass, likely soda-lime silicate glass; not a natural mineral or rock

Citrine Quartz

Citrine (Silicon Dioxide, SiO2)

Opalite

Synthetic Opalized Glass

Synthetic Resin / Plastic Figurine

Synthetic Polymer (Copolymer of Polyethylene or Resin)

Ocean Jasper Mushroom

Orbicular Jasper (Silicon Dioxide, SiO2 mixed with various impurities)

Aura Quartz Geodes (Lab-Altered)

Silicon Dioxide (SiO2) with Metallic Vapor Deposition

Blue cabochon, likely dyed or synthetic material

Undetermined; possibly dyed chalcedony (SiO₂), glass, or synthetic corundum

Black tumbled stone, possibly obsidian

Obsidian (volcanic glass; predominantly SiO₂), identification uncertain from image

Titanium-Coated Hematite (Aura Hematite)

Titanium-bonded Hematite (Fe2O3 with a Ti coating)

Turquoise-colored ring stone (possibly turquoise or imitation)

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

Pearl

Nacre (aragonite, CaCO₃, with conchiolin)

Titanium Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Blue goldstone beads

Man-made aventurine glass (silica glass with metallic copper inclusions), not natural lapis lazuli

Green Aventurine

Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)

Opalite (Man-made Glass)

Synthetic Opalised Glass

Concrete Fragment

Hardened Portland cement and mineral aggregate

Goldstone (likely red/brown aventurine glass)

Man-made aventurine glass; copper-bearing silicate glass (not a natural mineral)

Rainbow Hematite Ring

Iron(III) oxide (Fe2O3) with thin-film coating

Cullet (Slag Glass)

Amorphous Silica (SiO2) with various metal oxide colorants

Beads (likely glass or man-made material)

N/A (artificial material)

Opalite

Man-made Glass (Synthetic Opalized Glass)

Opalite

Man-made Synthetic Glass (Silicon Dioxide with metal additives)

Clear Quartz Sphere (Rock Crystal)

Silicon Dioxide (SiO2)

Asphalt (Bituminous Concrete)

Composite material (bitumen binder with mineral aggregate)

Magnetic Hematite

Iron(III) oxide (Fe2O3) - Man-magnetized ceramic/barium ferrite composite

Aura Quartz (Titanium/Rainbow Quartz)

SiO2 (Silicon Dioxide) with metallic coating