Synthetic (Not A Rock Or Mineral)

Blue Sapphire

Corundum (Al2O3) with traces of Iron and Titanium

Synthetic Wolf Plush (Non-mineral)

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

Probable fossil-bearing rock or mineral concretion

Unidentified carbonate-rich concretion with a possible fossil inclusion

Asphalt / Road Aggregate

Bituminous Conglomerate (synthetic)

Rough Ruby

Corundum (Al2O3 with Chromium impurities)

Goldstone (with Tiger's Eye and Quartz)

Aventurine glass (Synthetic SiO2 with Cu inclusions)

Decorative opal-like turtle mosaic

Likely imitation or assembled opal material; exact stones cannot be confirmed visually

Dyed Quartzite

Metamorphosed Quartz (SiO2) with synthetic pigment

Likely silicon carbide (carborundum)

Synthetic silicon carbide (SiC), likely blue-green crystalline grit

Emerald in Matrix

Beryl (Be3Al2Si6O18) with trace amounts of Chromium/Vanadium

Turquoise-colored ring stone (possibly turquoise or imitation)

Turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O; identity cannot be confirmed from the image

Smoky Quartz

Silicon Dioxide (SiO2)

Iron-stained rock fragment, possibly quartz-rich

Unidentified quartz-rich rock with iron-oxide staining (likely hematite/goethite)

Green glassy gemstone-like specimen

Likely synthetic glass or treated quartz; exact identification requires testing

Likely tiger’s-eye rough fragment

Tiger’s-eye (quartz, SiO₂, with fibrous crocidolite-derived inclusions)

Polished brecciated jasper

Jasper, an opaque microcrystalline variety of chalcedony (SiO₂), with iron-oxide staining

Carborundum (Silicon Carbide)

Silicon Carbide (SiC)

Dyed or synthetic turquoise-blue glass-like specimen

Likely man-made colored glass or resin; exact identification requires testing

Breccia

Breccia - Clastic sedimentary rock

Goldstone

Avventurina (Cu + SiO2 glass)

Quartz Druzy on Geode Fragment

Silicon Dioxide (SiO2)

Small colored gemstone or glass cabochons (uncertain)

Not identifiable from the image; the pieces may be colored glass or synthetic stones rather than natural minerals.

Anthropogenic Heat Source (Electronic/Industrial Interface)

Thermal IR emission (Electronic infrastructure)

Unidentified pale mineral or rock surface

Indeterminate from image; possibly a small quartz or feldspar grain

Polished labradorite cabochon

Labradorite, calcium-rich plagioclase feldspar; approximately (Ca,Na)(Al,Si)₄O₈

Polished turquoise cabochon pendant

Turquoise, hydrated copper-aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O; likely stabilized or matrix-bearing material

Opalite (Man-made Glass)

Synthetic Opalised Glass

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

Acrylonitrile Butadiene Styrene (ABS) Plastic with electronic components

Cubic Zirconia

Zirconium dioxide (ZrO2)

Amethyst (likely synthetic or treated)

Purple quartz, SiO₂; color caused mainly by trace iron and irradiation

Sandstone (likely Fossilized Wood or Concrete Simulacrum)

Arenite / Silicified Wood / Anthropogenic Concrete

Blue-green turquoise (probable)

Turquoise, hydrous copper aluminum phosphate — CuAl₆(PO₄)₄(OH)₈·4H₂O

Opalite

Man-made glass (traditionally simulated Opal)

Tumbled jasper pebble

Jasper, an opaque microcrystalline variety of quartz (SiO₂), commonly colored by iron oxides and hydroxides

Red jasper

Jasper, a microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides

Milky quartz-bearing rock

Quartz, silicon dioxide (SiO₂), likely massive quartz with iron-oxide staining

Artificial Rock Face (Faux Rock)

Glass Fiber Reinforced Concrete (GFRC)

Tumbled turquoise-like stone

Likely turquoise, hydrated copper aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O

Painted River Rock

Anthropogenic-modified Siliciclastic Sedimentary Rock

Clear Quartz (Druzy)

Crystalline Silicon Dioxide (SiO2)

Ruby

Corundum (Al2O3 with Chromium trace impurities)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)