Mineral Composite

Polished black-and-golden tourmaline

Schorl–dravite tourmaline, commonly represented by black schorl over brown dravite

Tiger Iron

Tiger Iron (composite of Tiger's Eye, Red Jasper, and Hematite)

Weathered conglomeratic river cobble

Polymictic conglomerate or breccia, likely matrix-supported

Que Sera Stone (Llanite with Feldspar and Quartz)

Rhyolite with blue quartz and pink orthoclase (Llanite-type quartz porphyry)

Raw turquoise-bearing rock

Turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O, likely in a limonite/matrix host

Granite

Granite (Phaneritic Quartz-Feldspar-Mica composite)

Basalt

Extrusive Igneous Rock

Marble (Sculpted Statue)

Metamorphic Limestone (composed primarily of Calcite, CaCO3)

Polished agate or chalcedony cabochon

Microcrystalline quartz (SiO₂), likely pale chalcedony/agate

Terrazzo (with Marble and Granite fragments)

Cementitious or resinous composite containing Calcium Carbonate (CaCO3) and Silicates

Unakite

Epidotized Granite

Weathered concrete or cementitious slab (not natural rock)

Artificial calcium-silicate cement composite; likely Portland cement concrete

Synthetic Zinc/Polycarbonate Composite (Bey-specimen)

Zinc Alloy (Zamak 3) with Polycarbonate (C15H16O2)n Overlay

Quartzite (Engineered Stone)

Silicon Dioxide (SiO2) based synthetic composite

Asphalt (Bituminous Pavement Bit)

Bitumen-bound aggregate (Petrochemical-bound composite)

Unakite

Altered Granite (Epidotized Granite)

Asphalt (Aggregate)

Bituminous macadam / Concrete Aggregate

Blue-green faceted gemstone, likely turquoise or treated turquoise

Turquoise: hydrated copper–aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O; exact identification is uncertain from the image

Gastly (Trick or Trade Halloween Series)

Cellulose-carbonaceous composite (Lignocellulose laminated with pigmentary polymers)

Polished banded agate slab or agate-look decorative stone

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

Polished tiger iron

Tiger iron; interlayered hematite–jasper–crocidolite/quartz rock

Unakite

Epidotized Granite

Chakra Stone (Composite / Man-made Bonded Gemstones)

Composite of Quartz, Lapis Lazuli, Aventurine, Tiger's Eye, and Jasper (SiO2, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, etc.)

Green-and-white terrazzo (likely serpentine/marble aggregate)

Composite decorative stone; probable serpentinite (Mg₃Si₂O₅(OH)₄) with white calcite marble fragments in cementitious matrix

Unakite

Unakite (Epidotized Granite)

Unakite

Altered Granite (Granitic Metamorphic Rock)

Turquoise cabochon

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

Basalt

Basalt

Polished Bloodstone (likely dyed agate/jasper)

Cryptocrystalline quartz, SiO₂; commonly chalcedony with iron-oxide inclusions

Blue quartzite or blue aventurine glass-like aggregate

Quartzite, predominantly SiO₂ (identification uncertain from image)

Terrazzo (Synthetic Composite Rock)

Cementitious or Epoxy Resin-bound Aggregates

Conglomerate

Conglomerate (Clastic Sedimentary Rock)

Jade bangle

Likely nephrite jade (fibrous amphibole, Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂); possibly jadeite (NaAlSi₂O₆)

Unakite

Altered Granite (Epidotized Granite)

Opal (in Jewelry Setting)

Hydrated Silicon Dioxide (SiO2·nH2O)

Iron-Nickel Meteorite (Possible Chondrite or Oxidized Iron)

Siderite (Nickel-Iron) or Chondrite (Si/Fe composite)

Freshwater Pearl

Calcium Carbonate (CaCO3) - Aragonite/Calcite organic composite

Quartzite (or Quartz Slab)

SiO2 (Silicon Dioxide)

Polished basalt or basaltic river pebble

Basalt; fine-grained plagioclase–pyroxene rock, possibly containing olivine

Man-made Synthetic Material (Plastic/Composite)

Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)

Opal ring

Opal (hydrated amorphous silica, SiO₂·nH₂O)

Basalt

Basalt