Man Made Byproduct (Non Geological)

Quartzite (Lithic Artifact)

Quartzite (SiO2)

Probable amber fragment

Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)

Ambergris

Ambra grisea (Metabolic byproduct)

Possible industrial slag or basaltic volcanic glass

Likely iron-rich vitreous slag; natural alternative: basaltic glass (tachylite)

Obsidian (Black)

Obsidian (High-silica volcanic glass)

Obsidian

Obsidian (Volcanic Glass)

Blue Sapphire (Synthetic or Man-made Glass Imitation)

Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic

Green sea glass (likely)

Anthropogenic glass, not a mineral; composition commonly soda–lime silicate glass

Gemstone ring (stones not reliably identifiable from the image)

Likely faceted yellow stones and clear stones set in a metal band; species and treatments are indeterminate visually

Synthetic Costume Glove (Paws)

Polyethylene terephthalate (Polyester) & Polyurethane blend

Chert (specifically a Lithic Flake)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Inlaid stone ring (likely jasper or agate)

Likely microcrystalline quartz (chalcedony, SiO₂), possibly jasper, with decorative mineral inlays

Silver Nuggets (Natural or Cast)

Native Silver (Ag)

Polished blue calcite sphere (tentative identification)

Calcite, CaCO₃; blue color generally results from trace impurities or inclusions

Aura Quartz / Rainbow Aura Quartz

Silicon Dioxide (SiO2) with metallic vapor coating

Blue Sea Glass

Amorphous Silica (Anthropogenic glass)

Dyed Quartz Geode

Silicon Dioxide (SiO2) with artificial pigment

Quartzite

Metamorphic quartz rock (SiO2)

Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass)

Silicon Dioxide (SiO2) with metallic inclusions

Sea Glass (Kelly Green)

Amorphous Silica (Silicon Dioxide with Iron/Chromium additives)

Green Aventurine

Quartz (SiO2) with Fuchsite inclusions

Blue Goldstone

Aventurine Glass (Silicon Dioxide with metal inclusions)

Quartzite

Metamorphic Quartzite (SiO2)

Seashell Fragment

Calcium carbonate (CaCO3) - primarily Aragonite or Calcite

Chert (possibly a worked stone flake)

Microcrystalline quartz, SiO₂

Gold ring with a dark, possibly gemstone setting

Gold alloy; the dark setting is not identifiable from the image

Pink Marble

Recrystallized Limestone (Calcium Carbonate, CaCO3)

Chalk

Micrite (primarily Calcium Carbonate, CaCO3)

Corundum (Sapphire variant)

Aluminium oxide (Al2O3)

Iron Slag

Vitreous glassy waste (Fe-Si-Al-Ca compounds)

Small fossilized tooth, possibly a shark tooth

Indeterminate fossil tooth; species cannot be identified from this image

Chalcopyrite

Chalcopyrite (CuFeS2)

Blue Goldstone

Aventurine Glass (SiO2 with Cobalt/Copper inclusions)

Quartzite

Silica (SiO2) quartzite

Marble

Marble (metamorphosed limestone/dolostone). Predominantly composed of Calcite (CaCO3) for marble derived from limestone, or Dolomite (CaMg(CO3)2) for marble derived from dolostone.

Painted River Rock

Polished fluvial clast with acrylic/synthetic pigment coating

Mahogany Obsidian

Volcanic glass (SiO2 with Hematite/Magnetite inclusions)

Yellow chalcedony (likely agate) cabochons

Microcrystalline quartz, SiO₂; chalcedony variety, possibly naturally colored or dyed

Sea Glass (Uranium/Vaseline Glass variant)

Silicon Dioxide (SiO2) with trace Uranium Oxide (U3O8)

Stainless Steel Spoon

Iron-Chromium Alloy (Fe + Cr + Ni)

Green Agate

Silicon dioxide (SiO₂)

Polished black stone egg, probably black obsidian

Obsidian, a natural volcanic glass; composition primarily silica-rich glass (approximately SiO₂), with variable iron and other trace elements