Not A Rock (Man Made Industrial Metal)

Blue Crackle Quartz (Dyed Quarzite)

Silicon Dioxide (SiO2) with artificial dye

Dyed Blue Agate (Dragon Vein Agate)

Silicon Dioxide (SiO2) with artificial cobalt/organic dyes

Clear quartz crystal pendant

Quartz (silicon dioxide, SiO₂)

Clear quartz crystal pendant

Quartz (silicon dioxide, SiO₂)

Pearls (likely freshwater cultured pearls)

Pearl: nacre, primarily aragonite (CaCO₃) with conchiolin

Red-orange jasper pebble (tentative)

Microcrystalline quartz, SiO₂, colored mainly by iron oxides

Vesicular basalt (scoriaceous volcanic rock)

Basalt, predominantly plagioclase + clinopyroxene ± olivine, with abundant vesicles

Likely iron meteorite (stony-iron or weathered iron-rich meteorite)

Provisional identification: meteoritic Fe–Ni alloy, mainly kamacite/taenite; exact classification requires chemical and petrographic testing

Gemstone-set ring, likely cubic zirconia or diamond

Likely synthetic cubic zirconia (zirconium dioxide, ZrO₂); stones may alternatively be diamond (carbon, C)

Synthetic Convention Badge (Plastic/PVC)

Polyvinyl Chloride (PVC) / Polycarbonate

Iron-rich meteorite candidate

Possible ordinary chondrite or iron meteorite fragment; exact classification requires laboratory testing

Milky Quartz

Silicon Dioxide (SiO2)

Blue chalcedony (likely dyed or treated)

Microcrystalline quartz, SiO₂ (chalcedony)

Raw quartz crystal

Quartz (silicon dioxide, SiO₂), likely milky or included quartz

Pyrulite (Pyrite / Chalcopyrite)

Iron Sulfide (FeS2) or Copper Iron Sulfide (CuFeS2)

Pearl-and-gemstone insect brooch

Pearl: nacre (aragonite, CaCO₃); colored stones are likely synthetic or natural corundum/spinel/glass, not determinable from the image

Blue Goldstone

Aventurine Glass (Silicon Dioxide with metal inclusions)

Quartzite (or Quartz Rich Conglomerate)

Quartzite (SiO2 silicon dioxide)

Tumbled milky chalcedony (likely common opalite-like quartz)

Chalcedony, microcrystalline SiO₂; possibly pale common opal, hydrated SiO₂·nH₂O

Red cabochon ring, likely ruby or synthetic ruby

Corundum (Al₂O₃), possibly chromium-bearing ruby; the image cannot establish whether it is natural or synthetic

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

Obsidian (likely black volcanic glass)

Obsidian; primarily amorphous volcanic silica glass, approximately SiO₂-rich rhyolitic composition

Granite (Pegmatitic)

Phaneritic Felsic Igneous Rock

Dark, weathered stone—possibly basalt or slag

Indeterminate; likely fine-grained basalt (plagioclase–pyroxene)

Tumbled epidote-bearing rock (likely epidote–quartz–feldspar aggregate)

Epidote-rich metamorphic rock; minerals likely epidote (Ca₂(Al,Fe)₃Si₃O₁₂(OH), quartz, feldspar, and dark amphibole/biotite)

Amber cabochon pendant

Amber (fossilized plant resin), chiefly polymerized diterpenoid resin

Quartzite

Quartzite (primarily SiO2)

Diamond-set earring

Diamond (carbon, C); crystal structure: cubic

Brick

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

Blue Slag Glass

Amorphous Silica (Byproduct of smelting)

Green glassy mineral specimen, likely rough emerald or green fluorite

Tentatively beryl (Be₃Al₂Si₆O₁₈), emerald variety; synthetic/man-made glass cannot be excluded from the photograph

Iron Slag

Ferrous Slag (Industrial Byproduct)

Gold-Bearing Quartz Ore

Crystalline Silicon Dioxide (SiO2) with Trace Aurum (Au)

Green Slag Glass

Cullet (Amorphous Silicon Dioxide with impurities)

Industrial Diamond (Bort or Boart)

Diamond (pure Carbon, C)

Ferrous Slag

Fused calcium-iron silicates (Industrial Slag)

Likely clear quartz crystal or glass-like gemstone

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

Blue Apatite

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

Bauxite

Aluminium ore consisting largely of the minerals gibbsite Al(OH)3, boehmite γ-AlO(OH) and diaspore α-AlO(OH)

Tumbled amber-colored chalcedony or jasper

Microcrystalline quartz (SiO₂), likely iron-stained chalcedony/jasper

Diamond

Carbon (C)

Faceted gemstone in a jewelry setting

Indeterminate from image; likely quartz, cubic zirconia, or another transparent faceted stone