Man Made Material (Jewelry, Metal Alloy)

Weathered metallic fragment, possibly iron meteorite or industrial slag

Uncertain; candidate iron meteorite (Fe–Ni alloy), but terrestrial slag or corroded metal is also plausible

Slag (Industrial Byproduct)

Ferro-silicate glass (Slag)

Green Slag

Anthropogenic Silicate Glass

Blue Apatite

Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)

Brick

Fired clay or Ceramic material (no specific mineralogical scientific name as it's a composite)

Silver (Morgan Dollar)

Native Silver (Ag) - 90% Silver, 10% Copper alloy

Rainbow Hematite (Man-made/Treated)

Tumbled Hematite with Titanium/Anodized coating (Iron(III) oxide, Fe2O3)

Sandstone (with man-made markings)

Arenite (composed primarily of Quartz, SiO2)

Diamond ring (likely diamond with gold band)

Diamond, crystalline carbon (C); band appears gold alloy

Slag Glass (Leland Blue variant)

Anthropogenic Vitreous Silicate

Colorless faceted gemstone, likely a diamond in a ring setting

Diamond (carbon, C); identification from the image is uncertain

Aventurine

Quartz containing inclusions of Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)

Blue gemstone ring, likely blue topaz or synthetic blue spinel

Likely topaz (Al₂SiO₄(F,OH)₂) or synthetic spinel (MgAl₂O₄); identification is uncertain from the image

Milky quartz (rough quartz fragment)

Quartz, silicon dioxide (SiO₂)

Chert Concretion

Chert (Microcrystalline Quartz, SiO2)

Crescent Pebble

Weathered Quartzite or Sandstone Fragment

Polished dendritic agate cabochon (likely agate or jasper)

Microcrystalline quartz, SiO₂, commonly chalcedony with iron-oxide inclusions

Colorless faceted quartz-like gemstone

Likely quartz (SiO₂), though the appearance may also indicate man-made glass or cubic zirconia

Black onyx-style gemstone ring

Likely chalcedony (microcrystalline quartz, SiO₂), possibly dyed black; identification from the photo is uncertain

Red agate-style bead earring

Likely dyed chalcedony (microcrystalline quartz, SiO₂); exact material cannot be confirmed visually

Carnelian cabochon earrings

Carnelian, a translucent orange variety of chalcedony (microcrystalline SiO₂)

Mounted clear gemstone, likely cubic zirconia

Cubic zirconia (zirconium dioxide, ZrO₂), synthetic; exact stone cannot be confirmed from the image

Boxwork or Septarian Concretion

Septarian nodule / Boxwork weathering

Clear quartz sphere

Quartz (silicon dioxide, SiO₂)

Pallasite Meteorite

Pallasite (Stony-Iron Meteorite)

Iridescent bismuth crystal

Bismuth (Bi), commonly laboratory-grown and oxide-coated

Faceted clear gemstone ring

Likely colorless quartz (SiO₂); the photo does not establish the stone’s identity

Green faceted gemstone earrings, likely synthetic emerald-colored glass or cubic zirconia

Undetermined; possible glass (amorphous silicate) or synthetic cubic zirconia (ZrO₂)

Polished native copper

Native copper (Cu), likely with cuprite/tenorite oxidation products

Likely clear quartz crystal or glass-like gemstone

Quartz, silicon dioxide (SiO₂); exact identification is uncertain from the strongly magenta-lit image

Iron Meteorite

Nickel-iron alloy (Kamacite and Taenite)

Likely metallic meteorite fragment

Undetermined iron meteorite, possibly an iron–nickel alloy (kamacite/taenite)

Bismuth crystal

Bismuth (Bi), commonly laboratory-grown hopper crystal

Granite

Felsic intrusive igneous rock

Silicon (Industrial Grade)

Elemental Silicon (Si)

Tumbled milky quartz pebble

Quartz (silicon dioxide, SiO₂)

Goldstone and Aura Quartz

Cuprous Glass (Goldstone) and Titanium-coated SiO2 (Aura Quartz)

Likely iron meteorite fragment

Iron–nickel meteorite, primarily kamacite and taenite (Fe–Ni alloy)

Pearl necklace

Pearl, primarily aragonite (CaCO₃) and conchiolin

Gemstone stud earrings, likely set with clear stones

The stones may be diamond (carbon, C) or colorless cubic zirconia (ZrO₂); the image is insufficient to distinguish them.

Granite

Intrusive Igneous Rock (Granitic)

Diamond

Carbon (C)