Mineral Based Human Made Alloy

Chert (often called Flint or Jasper if reddish)

Microcrystalline Quartz (SiO2)

Flint (or Chert with cortex)

Silicon dioxide (SiO2)

Banded agate cabochon

Microcrystalline quartz (chalcedony), SiO₂

Amethyst gemstone ring

Quartz, purple variety — SiO₂

Mystic Topaz

Aluminum Silicate Fluoride Hydroxide (Al2SiO4(F,OH)2) with metallic film coating

Chert (and/or Flint)

Microcrystalline Quartz (SiO2)

Goldstone

Avventurina (Cu + SiO2 glass)

Likely citrine or yellow glass imitation in a silver-tone bracelet

Citrine: quartz, SiO₂; exact material cannot be confirmed visually

Pink Granite

Phaneritic Felsic Igneous Rock (composed of orthoclase, quartz, and plagioclase)

Blue glassy gemstone cabochon, likely dyed chalcedony or glass

Uncertain; possible dyed chalcedony (microcrystalline quartz, SiO₂)

Polished yellow-green serpentine pendant

Serpentine-group minerals, chiefly antigorite and/or lizardite; approximate formula Mg3Si2O5(OH)4

Quartz (Engineered Quartz Surface)

Silicon Dioxide (SiO2) based composite

Unknown White Specimen

Unidentifiable due to blurriness

Carved red jasper bead (likely ceramic imitation)

Jasper, microcrystalline quartz (SiO₂); exact material uncertain from the image

Fired Clay Brick (Anthropic Rock substitute)

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

Granodiorite

Phaneritic Plutonic Intermediate-Felsic Rock

Diamond ring (likely diamond with gold band)

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

Likely weathered granite or granitic gneiss fragment

Granite; primarily quartz, feldspar, and mica

Bismuth Crystal

Bismuth (Bi)

Red glassy cabochon, likely synthetic ruby or red glass

Uncertain; possible synthetic corundum (Al₂O₃, chromium-colored) or man-made glass

Carnelian cabochon pendant

Carnelian, orange-red chalcedony (microcrystalline quartz, SiO₂)

Chert or Jasper

Microcrystalline Quartz (SiO2)

Banded agate pendant (likely carnelian or brown-and-white chalcedony agate)

Agate, a banded variety of chalcedony; microcrystalline quartz, SiO₂, with iron-oxide coloration

Aura Quartz Geodes (Lab-Altered)

Silicon Dioxide (SiO2) with Metallic Vapor Deposition

Clear quartz sphere or polished quartz cabochon (tentative)

Quartz, silicon dioxide (SiO₂); appearance may also be consistent with ordinary glass, which cannot be ruled out from the image alone

Chert (varietal Flint)

Microcrystalline quartz (SiO2)

Polished banded agate pendant

Agate, a microcrystalline variety of chalcedony (SiO₂)

Dyed turquoise-colored lava stone beads

Vesicular basalt (scoria), commonly sold as dyed lava rock

Flint

SiO2 (Cryptocrystalline Quartz)

Chert (Flint)

Silicon dioxide (SiO2)

Dyed Quartz (often sold as 'Blue Quartz' or 'Blue Agate')

Silicon Dioxide (SiO2) with artificial pigment

Titanium Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Tumbled milky quartz pebble

Quartz (SiO₂), likely milky quartz

Chert (Green Chert or Jasper)

Microcrystalline Quartz (SiO2)

Carved quartz (likely rose quartz and green aventurine/quartz)

Quartz, silicon dioxide (SiO₂); green material may be aventurine quartz or serpentine

Synthetic Wolf Plush (Non-mineral)

Canis lupus similis (Prop material: Polyester & Synthetic fibers)

Concrete with Aggregate

Artificial Conglomerate (Cement and Aggregate)

Possible basalt or iron-rich slag

Basalt (tentative; identification uncertain from image)

Iridescent bismuth crystal

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

Iron Meteorite

Iron Meteorite (primarily Kamacite and Taenite, Fe-Ni alloys)

Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Green aventurine bead bracelet

Quartz (SiO₂), typically green quartzite/aventurine colored by fuchsite mica or other inclusions