Man Made Material (Jewelry, Metal Alloy)

Iridescent bismuth crystal

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

Polished native copper

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

United States Quarter Dollar

Cupronickel Clad Alloy (75% Copper, 25% Nickel over a 100% Copper core)

Man-made Crystal (Lead Glass)

Lead oxide-doped Silica Glass (approx. SiO2 + PbO)

Silver (Morgan Dollar)

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

Milky quartz (rough quartz fragment)

Quartz, silicon dioxide (SiO₂)

Chert Concretion

Chert (Microcrystalline Quartz, SiO2)

Crescent Pebble

Weathered Quartzite or Sandstone Fragment

Slag (Industrial Byproduct)

Ferro-silicate glass (Slag)

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

Artisanal Glass Beads (Simulated Goldstone or Aventurine Glass)

Silicon Dioxide (SiO2) with metallic inclusions

Boxwork or Septarian Concretion

Septarian nodule / Boxwork weathering

Polished dendritic agate cabochon (likely agate or jasper)

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

Porcelain Tile (Sandstone-look)

Man-made Ceramic (resembling Quartz-rich Sandstone)

Diamond ring (likely diamond with gold band)

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

Mounted clear gemstone, likely cubic zirconia

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

Clear quartz sphere

Quartz (silicon dioxide, SiO₂)

Bismuth crystal

Bismuth (Bi), commonly laboratory-grown hopper crystal

Silicon (Industrial Grade)

Elemental Silicon (Si)

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

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)

Pallasite Meteorite

Pallasite (Stony-Iron Meteorite)

Granite

Felsic intrusive igneous rock

Black onyx-style gemstone ring

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

Likely clear quartz crystal or glass-like gemstone

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

Goldstone and Aura Quartz

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

Colorless faceted quartz-like gemstone

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

Tumbled milky quartz pebble

Quartz (silicon dioxide, SiO₂)

Likely metallic meteorite fragment

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

Granite

Intrusive Igneous Rock (Granitic)

Quartz (likely milky quartz or quartz glass-like fragment)

Quartz, silicon dioxide (SiO₂)

Likely iron meteorite fragment

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

Black tumbled stone, possibly obsidian

Obsidian (volcanic glass; predominantly SiO₂), identification uncertain from image

Celestite (Celestine)

Strontium Sulfate (SrSO4)

Celestite (Celestine)

Strontium Sulfate (SrSO4)

Celestite (Celestine)

Strontium sulfate (SrSO4)

Dyed Dragon Vein Agate

Silicon Dioxide (SiO2) with artificial pigment

Faceted brown gemstone ring, likely smoky quartz

Smoky quartz (SiO₂), identification uncertain from the image

Diamond

Carbon (C)

Clear quartz crystal (likely)

Quartz, silicon dioxide (SiO₂)

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.