Synthetic Glass (Man Made)

Note: Item is not a geological specimen

Polyester mesh and Ethylene-vinyl acetate (EVA) polymer

Jadeite and Mixed Gemstones (Ruby, Sapphire, Emerald)

Jadeite (NaAlSi2O6), Corundum (Al2O3), Beryl (Be3Al2(Si6O18))

Colorless faceted gemstone, likely cubic zirconia

Cubic zirconia (synthetic ZrO₂), possibly glass or quartz

Chert (Flint/Jasper variety)

Microcrystalline Quartz (SiO2)

Lapis Lazuli

Lazurite-dominant metamorphic rock, Na8[Al6Si6O24]n(S,Cl,SO4,OH)2

N/A - Man-made object (Jewelry Chain)

Antiqued or Oxidized Metal Chain (often Steel or Brass)

Dyed Quartz Pendant

Silicon Dioxide (SiO2) with artificial dye

Smoky Quartz

Silicon Dioxide (SiO2)

Citrine

Citrine (Silicon Dioxide, SiO2)

Goldstone and pink quartz bead strands

Goldstone is aventurescent copper-bearing glass; pink beads are likely rose quartz (SiO₂), though dyed or glass imitations are possible

Native Silver

Silver (elemental Ag)

Diamond (Cut Gemstone)

Carbon (C)

Dyed Alum or Dyed Quartz (Ornamental Crystal)

Silicon Dioxide (SiO2) or Potassium Alum [KAl(SO4)2·12H2O]

Ruby

Corundum (Al2O3)

Nickel coin (U.S. currency)

Cupronickel (75% Copper, 25% Nickel alloy)

Pink Granite

Phaneritic Felsic Igneous Rock (Granite)

Lapis Lazuli

Lazurite-dominated metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)

Obsidian

Volcanic glass

Rose Quartz

Silicon Dioxide (SiO2)

Fired Clay Brick (Anthropic Rock substitute)

Anthropogenic polycrystalline ceramic (predominantly Mullite and Quartz: Al6Si2O13 + SiO2)

Green Aventurine

Silicon Dioxide (SiO2+KAl2(AlSi3O10)(OH)2)

Chert

Microcrystalline Quartz (SiO2)

Silicon

Element Si

Smoky Quartz

Silicon Dioxide (SiO2)

Diamond (or Diamond Simulant)

C (Carbon) or synthetic equivalent

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Digital Multimeter (Synthetic Object)

Digital Multimeter (DMM)

Cubic Zirconia

Zirconium dioxide (ZrO2)

Lapis Lazuli (Tumbled Stone)

Na6Ca2(Al6Si6O24)(SO4,S,Cl)2 (predominantly Lazurite)

Silicon Carbide (Carborundum)

Silicon Carbide (SiC)

Chert (Flint)

Silicon Dioxide (SiO2)

Rough Sapphire (Corundum)

Corundum (Al2O3)

Chert

Chert (Microcrystalline Quartz)

Diamond (in a gold ring)

Diamond (pure carbon, C)

Obsidian

Volcanic Glass (Amorphous Silicon Dioxide)

Gold and Cubic Zirconia (San Judas Tadeo Pendant)

Native Gold (Au) with Synthetic Cubic Zirconia (ZrO2)

Obsidian

Volcanic glass (SiO2)

Emerald

Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities

Obsidian

Volcanic glass (SiO2 - Silicon Dioxide)

Dyed Agate Slice

Silicon Dioxide (SiO2) with artificial dyes

Diamond (or Cubic Zirconia)

Crystallized Carbon (C) for Diamond; Zirconium Dioxide (ZrO2) for CZ

Note: The image provided is a fabric sock, not a geological specimen.

Polyester-Cotton Blend with Elastane