Mineral (Processed Metal)

Blue Calcite

Calcium Carbonate (CaCO3)

Assorted gemstone jewelry

Mixed natural and synthetic gemstone cabochons and faceted stones; individual species cannot be determined reliably from this image

Aquamarine in Onyx / Blue Topaz Pendant

Beryl (Be₃Al₂Si₆O₁₈) or Topaz (Al₂SiO₄(F,OH)₂)

Red cabochon gemstone ring (likely glass or synthetic stone)

Undetermined; the image does not establish a natural mineral identity

Likely weathered metallic meteorite fragment

Unconfirmed; possibly an iron-nickel meteorite, mainly kamacite and taenite

Copper and Quartz beads

Native Copper (Cu) and Crystalline Quartz (SiO2)

Dyed Pink Agate (Crackled)

Silicon Dioxide (SiO2) - Chalcedony variety

Aquamarine (Small Beads)

Beryl (Be3Al2Si6O18 with traces of iron)

Diamond (or Cubic Zirconia)

Carbon (C) or Zirconium Dioxide (ZrO2)

Asphalt aggregate (crushed stone in bitumen)

Artificial composite; predominantly crushed granite, basalt, limestone, and/or recycled aggregate bound by bitumen

Likely jade and pink gemstone jewelry

Green material may be jadeite (NaAlSi₂O₆) or nephrite (Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂); pink beads are unidentified, possibly quartz or coral

Tumbled yellow-green chalcedony or serpentine

Microcrystalline quartz (SiO₂), possibly chrysoprase; alternative: serpentine-group mineral

Lepidolite

K(Li,Al)3(Si,Al)4O10(F,OH)2

Brick veneer, likely manufactured from clay-rich shale

Fired clay brick; chiefly aluminosilicate minerals, commonly mullite and glassy silicate phases after firing

Faceted Peach Morganite (Beryl)

Morganite (Be3Al2Si6O18 with trace Manganese)

Sea Glass (Teal/Turquoise)

Amorphous Silica (SiO2) with trace metal oxides

Concretion

Sedimentary Concretion (e.g., Siderite or Ironstone)

Silver Nuggets (Natural or Cast)

Native Silver (Ag)

Crushed Granite and Quartz Gravel

Composite Igneous and Silicate Rock Aggregate

Cupronickel Coin

Copper-Nickel Alloy (typically 75% Cu, 25% Ni)

Pyrite in Quartz (Drill Core)

Silicon Dioxide (SiO2) with Iron Sulfide (FeS2) inclusions

Gold Nugget

Native Gold (Au)

Weathered iron-rich basalt or laterite

Basalt, likely limonitized/goethite-stained; exact identification requires testing

Gemstone ring (stones not reliably identifiable from the image)

Likely faceted yellow stones and clear stones set in a metal band; species and treatments are indeterminate visually

Honey Calcite (Yellow Calcite)

Calcium Carbonate (CaCO3)

Man-made Ceramic / Clay Figurine

Aluminosilicate Ceramic (Processed Clay)

Tumbled lavender quartz (likely lepidolite-bearing quartz or dyed quartz)

Quartz, SiO₂; possible lepidolite mica inclusions

Quartz (Tumbled/Water-worn)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Titanium Aura Quartz (Bismuth-coated Druzy)

Silicon Dioxide (SiO2) with Titanium/Metal vapor coating

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Ironstone (iron-oxide-rich rock)

Ferruginous sandstone or ironstone; likely composed chiefly of goethite and/or limonite, with quartz and clay

Quartz Vein in Host Rock (Pebble)

Quartz (SiO2) with sandstone or siltstone matrix

Serpentinite

Serpentinite (composed primarily of minerals in the Serpentine group)

Green faceted gemstone earrings

Undetermined; possibly green glass or synthetic emerald-type material, rather than identifiable natural emerald

Unidentified gray mineral/rock fragment

Indeterminate from image; possibly quartz-rich material or mica-bearing schist

Pyrite-bearing metamorphic rock (probable pyrite schist or sulfide ore)

Pyrite (FeS₂) in a foliated, quartz–mica-rich host rock; exact identification requires testing

Yellow Quartzite (River Pebble)

Metamorphic Quartzite (SiO2)

Tumbled gray chalcedony (agate-like quartz)

Chalcedony, microcrystalline SiO₂

Mixed gemstone bead strand, likely including agate, quartz, turquoise, and sandstone beads

Varied silicate and copper-mineral materials; exact bead identities cannot be confirmed visually

Dyed Quartz Crystals

Silicon Dioxide (SiO2) with artificial pigment