Man Made Object (Simulant)

Aura Quartz (Titanium/Rainbow Quartz)

SiO2 (Silicon Dioxide) with metallic coating

Libyan Desert Glass

Libyan Desert Glass (SiO2 with trace elements)

Weathered iron-rich concretion or ironstone nodule

Goethite–hematite limonite concretion (FeO(OH), Fe₂O₃, and hydrated iron oxides)

Mother of Pearl (Nacre)

Aragonite (CaCO3) with Organic Matrix

Ceramic or Polished Stone Heart (Anthropogenic Material)

Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)

Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Opalite

Synthetic Opalized Glass (SiO2 + additives)

Sea Glass (specifically Frosted White)

Amorphous Silica (substance: Sodium-calcium silicate glass)

Blue glassy gemstone cabochon, likely dyed chalcedony or glass

Uncertain; possible dyed chalcedony (microcrystalline quartz, SiO₂)

Fossil shark tooth in sediment

Likely fossilized shark tooth, possibly *Carcharhinus* or *Otodus*; exact identification requires the tooth’s full morphology and locality

Vesicular basalt (probable iron-rich volcanic rock)

Basalt; chiefly plagioclase, clinopyroxene, olivine, and Fe-Ti oxides

White quartz pebble

Quartz (SiO₂), likely milky quartz

Aura Quartz (Pink/Rose Aura Quartz)

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

Tumbled milky quartz (likely)

Quartz, silicon dioxide (SiO₂)

Diamond

Carbon (C)

Milky quartz (likely rough quartz crystal)

Quartz, silicon dioxide (SiO₂)

Fossilized sea urchin

Echinoid test, likely a regular sea urchin; calcite (CaCO₃)

Greenstone / serpentinite carving

Serpentinite, chiefly serpentine-group minerals (antigorite, lizardite, or chrysotile); exact identification requires testing

Diamond in Kimberlite

Diamond (C in Kimberlite)

Aqua Aura Quartz

Titanium/Gold-coated Silicon Dioxide (SiO2)

Carborundum (Silicon Carbide)

Silicon carbide (SiC)

Dyed Agate / Painted Stone

Silicon Dioxide (SiO2) with artificial pigment

Cultured Marble (Synthetic)

Polymer-matrix composite (typically calcium carbonate in polyester resin)

Opalite

Synthetic Fluorescent Glass (SiO2 + impurities)

Carborundum (Silicon Carbide)

Silicon Carbide (SiC)

Opalite

Synthetically produced glass (Silicon Dioxide with metallic inclusions)

Opalite (Synthetic Opalized Glass)

Synthetic Silicon Dioxide (SiO2) glass

Tumbled quartz pebble

Quartz, silicon dioxide (SiO₂), likely milky quartz

Small greenish crystal/mineral fragment

Indeterminate; possibly olivine, quartz, or a green gemstone fragment

Pyrite in Quartz (Drill Core)

Silicon Dioxide (SiO2) with Iron Sulfide (FeS2) inclusions

Opalite

Synthetic Glass (Simulated Opal)

Green glass-like mineral specimen, likely fluorite

Fluorite (calcium fluoride, CaF₂), if natural; appearance may also indicate colored glass

Cullet Glass (Slag Glass)

Amorphous Silicon Dioxide (Industrial byproduct)

Ferrous Slag

Iron/Steel Slag (Complex Calcium-Alumino-Silicates)

Aura Quartz (Rainbow Quartz)

Silicon Dioxide (SiO2) with metallic vapor coatings

Sandstone Concretion

Septarian or Carbonate-cemented Sandstone Concretion

Opalite

Synthetic opalescent glass

Asphalt (Bituminous Pavement)

Bituminous mix (Aggregates with Bitumen binder)

Aqua Aura Quartz

Silicon Dioxide (SiO2) bonded with Gold (Au)

Glass

Amorphous Silicon Dioxide (SiO2)

Goldstone

Aventurine glass

Cobalt Glass Slug (Cullet)

Man-made Silicate Glass with Cobalt Oxide (CoO)