Man Made Glass (Not A Natural Rock Or Mineral)

Red-orange cabochon, likely carnelian or glass imitation

Carnelian: chalcedony (microcrystalline SiO₂), commonly iron-colored

Pink Cubic Zirconia (CZ)

Zirconium Dioxide (ZrO2)

Rock crystal (clear quartz), possibly cloudy quartz

Quartz, silicon dioxide (SiO₂)

Aura Quartz (Pink/Rose Aura Quartz)

Silicon Dioxide (SiO2) bonded with Platinum and/or Silver

Concretion (Sandstone)

Carbonate-cemented Sandstone Concretion

Felsic Drill Core (likely Gneiss or Granite)

Felsic Metamorphic Rock (Gneissic profile)

Asphalt Concrete

Bituminous Concrete (Anthropic Rock)

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

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

Sea Glass

Man-made silicate glass

Polished white chalcedony or quartz pendant

Microcrystalline quartz (chalcedony), SiO₂; exact identification is uncertain from the image

Chert (Arrowhead/Artifact Fragment)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (Arrowheads)

Microcrystalline Quartz (SiO2)

Quartz crystal fragment (likely milky quartz)

Quartz, silicon dioxide (SiO₂)

Milky quartz (likely)

Quartz, silicon dioxide (SiO₂)

Concrete

Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)

Brick fragment (Man-made material)

N/A (Fired clay)

Goldstone (Red/Brown)

Aventurine Glass (SiO2 with Copper inclusions)

Exposed Aggregate Concrete (Pea Gravel)

Concrete with Siliceous Alluvial Gravels

Blue Goldstone

Aventurine Glass

Titanium Coated Kyanite (Aura Kyanite)

Aluminosilicate (Al2SiO5) with a Titanium-Niobium vacuum-deposited coating

Blue opal heart cabochon

Common opal, hydrated amorphous silica (SiO₂·nH₂O), likely blue-dyed or synthetic opalite

Orange glassy slag (industrial by-product)

Iron-rich silicate glass; composition varies, commonly Fe–Ca–Al silicate

Rainbow Hematite (Titanium Coated)

Iron(III) oxide (Fe2O3) with Titanium/Metal Oxide coating

Dzi Bead (Etched Chalcedony)

Cryptocrystalline Quartz (SiO2) with chemical etching

Cubic Zirconia (Jewelry Setting)

Cubic Zirconia (ZrO2)

Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Tumbled milky quartz

Quartz — silicon dioxide (SiO₂), cryptocrystalline or microcrystalline variety possible

Iron Slag (Industrial Byproduct)

Anthropogenic Vitrification Product/Ferrous Slag

Beaded gemstone bracelet

Indeterminate; likely small polished mineral beads, possibly turquoise or dyed stone, with metal and glass components

Blue Cracked Quartz (Dyed Fire Crackle Quartz)

Silicon Dioxide (SiO2) with synthetic dye

Cubic Zirconia (Man-made)

Cubic Zirconia (ZrO2) with Enamel and Metal Alloy

Porcelain (White Ceramic)

Mullite-bearing Vitrified Ceramic (Major phases: Mullite Al6Si2O13, Glassy Silica SiO2)

Polished dendritic agate or jasper

Microcrystalline quartz (SiO₂), likely chalcedony with iron/manganese dendrites

Blue-green cabochon, likely chalcedony or treated glass imitation

Cryptocrystalline quartz (chalcedony/possibly chrysoprase); identification uncertain from image

Dyed Crackle Quartz (Green)

Quenching-treated Quartz (Silicon Dioxide, SiO2)

Aqua Aura Quartz

Silicon Dioxide (SiO2) bonded with Gold (Au)

Slag Glass (Leland Blue variant)

Anthropogenic Vitreous Silicate

Green Quartz / Chrysoprase / Sea Glass

Silicon Dioxide (SiO2)

Goldstone (Brown)

Aventurine glass

Slag

Ferrous Slag (Amorphous calcium-magnesium-aluminum silicates)

Cullet Glass (Man-made Glass Slag)

Amorphous Silica (SiO2) with chemical additives

Cubic Zirconia (Simulated Diamond)

Cubic Zirconia (ZrO2)