Man Made Silicate (Anthropogenic Glass)

Chert (Cherty Shale / Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Tumbled blue chalcedony (possibly blue agate)

Microcrystalline quartz, SiO₂; chalcedony variety

Sandstone

Arenite (with iron oxide cement)

Sandstone (Quartz Arenite)

Sandstone (dominated by SiO2 quartz grains)

Red gemstone ring, likely garnet or synthetic ruby

Possibly almandine garnet (Fe₃Al₂(SiO₄)₃) or corundum/ruby (Al₂O₃); image alone cannot distinguish

Blue glass-like gemstone specimen (likely dyed or synthetic quartz)

Uncertain; possibly blue-dyed quartz or synthetic glass, not confidently identifiable from the image

Blue opalite (often sold as synthetic opal)

Opalite glass; amorphous hydrated silica if natural opal (SiO₂·nH₂O)

Orthoclase Feldspar

Potassium aluminum silicate (KAlSi3O8)

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Beryl (likely Pink/Morganite variety)

Beryllium aluminum silicate (Be3Al2Si6O18)

Orthoclase Feldspar

KAlSi3O8 (Potassium aluminum silicate)

Blue gemstone cross pendant

Likely faceted blue topaz (Al₂SiO₄(F,OH)₂); identification is uncertain from the image

White Moonstone (Feldspar)

Potassium aluminum silicate (KAlSi3O8)

Small metallic-looking mineral/rock fragment

Indeterminate from image; possibly galena, hematite, or metallic slag

Green iridescent glass cabochon or synthetic gemstone

Likely synthetic glass; possibly coated synthetic quartz or lab-created green gemstone

Sandstone (Quartzose)

Arenite (primarily SiO2)

Goldstone (blue-goldstone–style glass) beads

Artificial aventurine glass, typically silica glass with copper inclusions; not a natural mineral

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Feldspar (specifically Orthoclase)

Potassium Aluminum Silicate (KAlSi3O8)

Aquamarine

Beryllium Aluminum Silicate (Be3Al2Si6O18)

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Tumbled bronzite-bearing stone

Bronzite-rich serpentinite or pyroxenite; exact identification requires testing

Goldstone (Synthetic Aventurescence Glass)

Cuprous Aventurescent Glass (Silicon Dioxide with Copper inclusions)

Sandstone

Arenite

Quartz Pebble

Silicon Dioxide (SiO2)

Small brown quartz-rich pebble, possibly chert or jasper

Microcrystalline quartz (SiO₂), tentative

Potassium Feldspar (Orthoclase)

KAlSi3O8 (Potassium Aluminum Silicate)

Orthoclase Feldspar (Potassium Feldspar)

KAlSi3O8 (Potassium Aluminum Silicate)

Red Jasper

Silicate (SiO2 with Hematite inclusions)

Jasper

Jasper (Silicate mineral, SiO2)

Aquamarine

Beryllium aluminum silicate (Be3Al2Si6O18)

Aquamarine (Beryl)

Beryllium aluminum silicate (Be3Al2Si6O18)

Fulgurite

Fulgurite (Lechatelierite-rich variety)

Silicon

Silicon (Si)

Blue glassy mineral fragment, possibly sodalite or dyed/cobalt glass

Uncertain; likely sodalite (Na₈Al₆Si₆O₂₄Cl₂) if natural, but vivid blue color may indicate cobalt-colored glass

Blue Goldstone

Aventurine Glass

Chert / Jasper

Silicon Dioxide (SiO₂)

Chert (Jasper)

Silicon Dioxide (SiO2)

Green Slag Glass

Amorphous Silicon Dioxide (with metallic impurities)

Beryl (likely Aquamarine or Heliodor variant)

Beryllium aluminum silicate (Be3Al2Si6O18)