Industrial Byproduct (Anthropogenic Material)

Sandstone Chert/Quartzite

Silicon Dioxide (SiO2) - Sedimentary Sandstone / Orthoquartzite

Rough Diamond

C (Native Carbon)

Weathered, iron-stained quartz-rich pebble (uncertain identification)

Microcrystalline quartz, SiO₂, with iron-oxide/hydroxide staining and dark matrix inclusions

Blue magnesite beads

Magnesite (MgCO₃), likely stabilized or dyed; brown veining may reflect matrix or iron oxides

Ruby (Raw/Rough)

Corundum (Al2O3 with Chromium trace)

Rough Diamond

Diamond (pure Carbon, C)

Synthetic Wolf Plush (Non-mineral)

Canis lupus similis (Prop material: Polyester & Synthetic fibers)

Likely metallic meteorite fragment

Unclassified iron-rich meteorite; possible stony-iron or iron meteorite

Diamond (or Diamond Simulant)

Carbon (C) - Native Element

Yellow Jasper

Silicon Dioxide (SiO2) - variety of Chalcedony

Chert (Nodule)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Jasper

Jasper (Silicon Dioxide, SiO2)

Flint Pebble

SiO2 (Microcrystalline Quartz / Chalcedony)

Diamond (set in jewelry)

Diamond (Carbon, C)

Sandstone (Red/Brown Variety)

Arenite (composed primarily of SiO2 with Fe2O3 iron oxide inclusions)

Banded Iron Formation (BIF)

Magnetite-Hematite Chert (Banded Iron Formation)

Likely polished garnet fragment

Garnet group, possibly almandine (Fe₃Al₂Si₃O₁₂)

Tumbled prehnite (probable)

Prehnite, Ca₂Al₂Si₃O₁₀(OH)₂; possibly epidote- or chlorite-bearing

Yellow Jasper (Chert variant)

Silicon Dioxide (SiO2) with iron oxide inclusions

Chert (Iron-stained)

Chert (Silicon Dioxide, SiO2)

Chert (specifically Flint or Common Opal variant)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Porphyritic polymictic breccia (likely volcanic breccia)

Volcanic breccia; probable polymictic andesite–dacite breccia with quartz/feldspar clasts

Metallic iron meteorite fragments (probable)

Iron meteorite, chiefly kamacite (α-(Fe,Ni)) with possible taenite

Rounded gray river pebble, likely fine-grained sandstone or siltstone

Indeterminate clastic sedimentary rock; possibly quartz-rich sandstone or siltstone

Raw Diamond

Carbon (C)

Rough Diamond

Diamond (Native Carbon, C)

Blue calcite (probable)

Calcite, CaCO₃

Synthetic Resin Charm (Seal Shape)

Polymer Resin with plastic glitter / Polyethylene terephthalate glitters

Chert (and associated river cobbles)

Silicon dioxide (SiO2)

Diamond

Diamond (pure Carbon, C)

Fossilized coral or carbonate fossil fragment

Calcareous fossil, likely colonial coral (order Hexacorallia; uncertain from image)

Diamond

Carbon (C)

Likely weathered iron-rich stone

Uncertain; possibly limonite/goethite-bearing rock

Chalcedony (specifically Agate or Common Opal variety)

Cryptocrystalline Silica (SiO2)

Chert (Nodule)

Chert (Alpha-Quartz, SiO2)

Blue-dyed howlite beads (likely)

Howlite, Ca₂B₅SiO₉(OH)₅, commonly dyed blue to imitate turquoise

Tumbled blue-green stone, likely aquamarine-bearing pegmatite or blue apatite

Probable fluorapatite, Ca5(PO4)3(F,Cl,OH), though visual identification is uncertain

Unidentified gray stone

Likely quartz-rich stone; exact identification is not possible from the image

Polished agate geode

Chalcedony (microcrystalline quartz, SiO₂) with quartz druse crystals

Tumbled milky quartz

Quartz, silicon dioxide (SiO₂)

Chert (Jasper)

Silicon dioxide (SiO2)

Quartzite

Quartzite (SiO2)