Man Made Material, Not A Natural Rock Or Mineral Specimen

Tumbled opalite (likely synthetic glass)

Opalite; typically man-made opalescent soda-lime glass, not a recognized mineral species

Multi-stone gemstone ring

Likely faceted blue topaz or synthetic blue stone with clear stones, possibly cubic zirconia or diamond; metal setting appears silver-colored alloy

Blue goldstone

Man-made aventurine glass containing metallic copper particles; not a natural mineral

Small clear crystal, possibly quartz or glass-like gemstone

Uncertain; likely quartz (SiO₂), but the image is insufficient to exclude man-made glass or cubic zirconia

Rounded quartz pebble

Quartz (silicon dioxide, SiO₂)

Clear quartz crystal (likely)

Quartz, silicon dioxide (SiO₂)

Moldavite

Tektite (Impact Glass), ~80% SiO2 + Al2O3

Opalite

Synthetic Glass (Amorphized Silicon Dioxide)

Cubic Zirconia (Diamond Simulant)

Zirconium Dioxide (ZrO2)

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

Antiqued or Oxidized Metal Chain (often Steel or Brass)

Dyed Agate

Chalcedony (SiO2)

Diamond (in a gold ring)

Diamond (pure carbon, C)

Blue glassy gemstone cabochon, likely dyed chalcedony or glass

Uncertain; possible dyed chalcedony (microcrystalline quartz, SiO₂)

Diamond

Carbon (C)

Tumbled milky quartz

Quartz, silicon dioxide (SiO₂)

Metal Chain (Likely Steel or a Steel Alloy)

Steel (primarily iron and carbon); specific alloy unknown

Likely iron-rich slag or weathered ironstone

Hematite–goethite-rich material (Fe₂O₃/FeO(OH)); possibly industrial iron slag

Iridescent bismuth crystal

Bismuth (Bi), artificially crystallized and likely oxidized/coated

Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Man-made earbud charging case (Not a rock or mineral)

Acrylonitrile Butadiene Styrene (ABS) Plastic with electronic components

Likely iron-rich rock or weathered metallic mineral fragment

Uncertain; possibly limonite/goethite or iron-bearing slag

Magnetic Hematite (Man-made)

Iron Oxide (Fe2O3) with Barium-Strontium Ferrite

Sandstone

Arenite (composed primarily of SiO2)

Opalite

Synthetic Glass (Simulated Opal)

Man-made Jewelry Charm (Enameled Metal)

Not a natural mineral; composed of base metal alloy (likely zinc or brass) and epoxy resin/enamel.

Aventurine Quartz

Silicon Dioxide (SiO2) with Fuchsite inclusions

Blue Crackle Quartz (Dyed Quarzite)

Silicon Dioxide (SiO2) with artificial dye

Cultured Marble (Synthetic)

Polymer-matrix composite (typically calcium carbonate in polyester resin)

Polished obsidian

Volcanic glass; predominantly rhyolitic SiO₂

Felsic Drill Core (likely Gneiss or Granite)

Felsic Metamorphic Rock (Gneissic profile)

Opalite

Synthetic Opalised Glass

Red-orange jasper pebble (tentative)

Microcrystalline quartz, SiO₂, colored mainly by iron oxides

Blue glassy tumbled stone, likely blue chalcedony or slag glass

Chalcedony (microcrystalline SiO₂), possibly man-made blue glass

Cullet (Slag Glass)

Amorphous Silica (Industrial byproduct)

Polished blue-green glassy slag or coated mineral fragment

Most likely man-made colored glass/slag; exact composition cannot be determined visually

Cubic Zirconia

Cubic Zirconium Dioxide (ZrO2)

Slag

Ferrous Slag (Amorphous calcium-magnesium-aluminum silicates)

Opalite

Synthetic Opalized Glass / Man-made Glass

Sandstone (Water-worn Cobble)

Arenite (SiO2 with CaCO3 or Fe2O3 cement)

Note: This is a Man-Made Object (Costume/Prop Patch)

Synthetic fiber and pigments (Cellulose/Plastic-based composite)

Diamond Druzy (Crystalline Diamond)

Carbon (C)

Carborundum (Silicon Carbide)

Silicon Carbide (SiC)