Mineral (Man Enhanced)

Aluminum Slag

Anthropogenic Aluminum (Al)

Dzi Bead (Etched Chalcedony)

Cryptocrystalline Quartz (SiO2) with chemical etching

Polished agate geode

Chalcedony (microcrystalline quartz, SiO₂) with quartz druse crystals

Milky quartz (rough quartz fragment)

Quartz, silicon dioxide (SiO₂)

Rough Sapphire (Corundum)

Corundum (Al2O3)

Man-made Polished Porcelain Tile (Artificial Geologic Lookalike)

Fused Silicate Ceramic with Alumina (Synthetic Kaolinite derivative)

Blue Lace Agate (often dyed)

Silicon dioxide (SiO2) - variety of chalcedony

Purple Agate (Dyed Chalcedony)

SiO2 (Silicon Dioxide) with organic dyes

Cubic Zirconia (Diamond Simulant)

Zirconium Dioxide (ZrO2)

Tumbled Clear Quartz/Rock Crystal

Silicon Dioxide (SiO2)

Polished orbicular jasper (likely kambaba jasper)

Silicified microcrystalline quartz/chalcedony, commonly sold as Kambaba jasper; composition varies and may include quartz, chlorite, and iron oxides

Tumbled milky quartz

Quartz (SiO₂), cryptocrystalline-to-massive variety

Diamond

Native Carbon (C)

Aura Quartz Geodes (Lab-Altered)

Silicon Dioxide (SiO2) with Metallic Vapor Deposition

Pink Satin Spar (Satin Spar Selenite Dyed)

Gypsum (CaSO4·2H2O)

Ironstone Concretion (Pot Stone)

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

Polished black agate geode slice

Microcrystalline quartz (chalcedony), SiO₂, with possible iron-oxide matrix and druzy quartz

Lapis lazuli bead bracelet

Lazurite-bearing calcite–pyrite rock; lazurite formula (Na,Ca)₈(AlSiO₄)₆(S,SO)₂

Asphalt (Bituminous Pavement)

Bituminous mix (Aggregates with Bitumen binder)

Polished labradorite cabochon

Labradorite, plagioclase feldspar; approximately NaAlSi₃O₈–CaAl₂Si₂O₈

Peacock Ore

Bornite (Cu5FeS4)

Slag Glass

Anthropogenic Amorphous Silicon Dioxide

Blue agate slice

Microcrystalline quartz (chalcedony), SiO₂, commonly colored blue by dyes or inclusions

Carnelian

Carnelian (Silicon Dioxide - SiO2 with iron oxide impurities)

Blue Agate (Dyed or Treated Chalcedony)

Silicon Dioxide (SiO2), microcrystalline quartz variety

Dragon Vein Agate

Chalcedony (Quartz) - SiO2

Polished breccia-like rock specimen

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

Stainless Steel (Polished)

Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)

Blue Chalcedony Cube

Silicon Dioxide (SiO2)

Diamond (as set in a gold ring)

Carbon (C)

Turquoise

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

Opalite

Synthetic Glass (Hydrated Crystalline Silicon Dioxide simulation)

Titanium Coated Kyanite (Aura Kyanite)

Aluminosilicate (Al2SiO5) with a Titanium-Niobium vacuum-deposited coating

Concrete Fragment

Hardened Portland Cement Composite

Bornite (Peacock Ore)

Bornite (Cu5FeS4)

Chert Concretion

Chert (Microcrystalline Quartz, SiO2)

Dalmatian Stone

Dalmatian Jasper (a misnomer for an Aplite with Arfvedsonite spots)

Polished turquoise-matrix cabochon

Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O, with iron-rich matrix and possible chrysocolla

Banded gray stone, likely slate or fine-grained metamorphic rock

Probably slate or phyllite; composition commonly mica, quartz, and clay-derived minerals

Engineerged Quartz (Quartz Composite)

SiO2 (Silicon Dioxide) in a polymer resin matrix

Sea Glass

Amorphous silicon dioxide (man-made glass weathered by nature)

Polymer Clay (Mock Mineral)

Polyvinyl chloride (PVC) with plasticizers and pigment