Mineral (Man Made Aura Treatment)

Clear quartz fragment (rock crystal)

Quartz, silicon dioxide (SiO₂)

Note: This is a Man-Made Object (Costume/Prop Patch)

Synthetic fiber and pigments (Cellulose/Plastic-based composite)

Polished white calcite sphere (identification tentative)

Calcite, CaCO₃

Green cabochon gemstone, likely aventurine or dyed chalcedony

Indeterminate from image; possible quartz variety (SiO₂), including aventurine quartz or chalcedony

Tumbled milky quartz

Quartz (silicon dioxide, SiO₂)

Green sea glass or tumbled green quartz (uncertain)

Likely quartz (SiO₂) if natural; alternatively man-made soda-lime glass

Red Slag Glass

Amorphous Silica (Industrial byproduct with metallic oxide dopants)

Green obsidian (likely molded or heat-treated glass-like specimen)

Volcanic glass; predominantly rhyolitic composition (silica-rich amorphous SiO₂)

Man-made Synthetic Material (Plastic/Composite)

Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)

Green sea glass (likely)

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

Sandstone Concretion

Clastic Sedimentary Rock (primarily SiO2 with mineral cement)

Botryoidal chalcedony (likely agate/jasper variety)

Microcrystalline quartz, SiO₂

Polished black pebble, possibly obsidian

Volcanic glass (obsidian), likely; identification is tentative from the image

Baked-clay ceramic fragment (likely brick or pottery)

Fired clay, primarily aluminosilicate minerals; not a natural rock

Blue Goldstone

Goldstone (artificial glass)

Red agate bead (likely dyed or treated)

Agate, a microcrystalline variety of quartz; SiO₂

Metal Alloy (Likely Pewter or Sterling Silver)

Not a natural geological specimen; composed of refined metals. If pewter, it's a tin-based alloy. If sterling silver, it's 92.5% silver and 7.5% other metals (usually copper).

Sea Glass

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

Polished black stone, likely obsidian

Obsidian (volcanic glass; mostly silica-rich rhyolitic composition)

Blue glassy tumbled stone, likely blue chalcedony or slag glass

Chalcedony (microcrystalline SiO₂), possibly man-made blue glass

Sea Glass

Amorphous Silicon Dioxide (Man-made glass weathered by nature)

Polished silver sheen obsidian heart

Obsidian (volcanic glass), primarily rhyolitic silica-rich glass

Aura Quartz Geode (Angel Aura Quartz)

Silicon Dioxide (SiO2) bonded with precious metals

Aura Quartz (Pink/Magenta Aura Quartz)

Silicon Dioxide (SiO2) treated with vapor-deposited precious metals

Chert Concretion (with typical hematite/limonite staining)

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

Green glass sphere/marble

Soda-lime glass (primarily SiO2, Na2O, CaO)

Slag

Ferrous Slag (Amorphous calcium-magnesium-aluminum silicates)

Goldstone (Brown)

Aventurine Glass (Silicon Dioxide infused with Copper crystals)

Conglomerate

Conglomerate (Sedimentary rock containing rounded clasts)

Sandstone Concretion

Clastic sedimentary rock (primarily Quartz SiO2)

Carborundum

Silicon Carbide (SiC)

Milky quartz (rough fragment)

Quartz, silicon dioxide (SiO₂)

Rock crystal (clear quartz), possibly cloudy quartz

Quartz, silicon dioxide (SiO₂)

Hematite

Iron(III) oxide (Fe2O3)

Polished black pebble, likely basalt

Basalt, a fine-grained mafic volcanic rock composed mainly of plagioclase feldspar and pyroxene, commonly with olivine

Honey calcite

Calcite (calcium carbonate, CaCO₃)

Granite with Cupules / Bedrock Mortars

Granite (felsic intrusive plutonic rock)

Pale green aventurine (likely quartz) sphere

Quartz, SiO₂; possibly pale green aventurine, with color from inclusions or treatment

Diamond

Native Carbon (C)

Red-orange jasper pebble (tentative)

Microcrystalline quartz, SiO₂, colored mainly by iron oxides

Asphalt Chunk

Asphalt concrete

Weathered iron-rich concretion or ironstone nodule

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