Unknown (Likely Sedimentary Or Metamorphic)

Small gray stone, possibly granite or quartz-rich pebble

Indeterminate; likely a weathered quartz–feldspar rock fragment

Halite (Rock Salt)

Halite (NaCl)

Gemstone cocktail ring, likely jade and quartz or glass beads

Possible jadeite (NaAlSi₂O₆) or nephrite (Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂); the peach-colored beads cannot be reliably identified from the image

Polished black pebble, likely basalt

Basalt, a fine-grained mafic volcanic rock; identification is tentative from the image

White quartz crystal cluster (likely druzy quartz)

Quartz, SiO₂; likely a quartz-lined cavity fragment

White Buffalo Turquoise (or Howlite/Magnesite)

Calcite/Dolomite or Magnesite with Chert/Quartz inclusions

Milky quartz

Quartz (SiO₂)

Fossilized tooth fragment, possibly shark tooth

Fossilized vertebrate dental material, composed chiefly of hydroxyapatite

Probable fossilized coral

Fossil coral; exact coral group and species cannot be determined from the image

Dark green-black stone, possibly serpentinite

Serpentinite (predominantly serpentine-group minerals; identification from photo is uncertain)

Granite pebble

Granite, a coarse-grained felsic intrusive igneous rock

Himalayan Pink Salt (Halite)

Halite (Sodium Chloride, NaCl)

Weathered tan mineral/rock fragment

Indeterminate from image; possibly iron-stained quartz, feldspar-rich rock, or limonite-bearing material

Likely raw metallic mineral specimen

Unidentified; possibly galena-bearing ore or magnetite-rich rock

Likely basalt or another dark, coarse-grained igneous rock

Possibly olivine-bearing basalt (plagioclase, pyroxene, and possibly olivine); identification is uncertain from the photo

Unknown metallic sulfide-bearing rock, possibly chalcopyrite or bornite

Tentative: chalcopyrite (CuFeS₂) or bornite (Cu₅FeS₄)

Iron-stained sandstone

Quartz-rich sandstone, chiefly SiO₂, cemented by iron oxides

Possible iron meteorite

Iron meteorite, likely kamacite–taenite alloy

Red feldspar-rich rock, possibly potassium feldspar

Likely orthoclase or microcline (KAlSi₃O₈), though the image is insufficient for a definitive identification

Polished greenstone pebble

Greenstone (chlorite–epidote–actinolite-rich metamorphosed mafic rock)

Amber (likely a small rough amber piece)

Fossilized plant resin; amber is an organic mineraloid, not a crystalline mineral

Possible fossilized bone fragment

Indeterminate fossil bone; no species can be identified from this image

Serpentinite (probable)

Serpentinite, a rock composed chiefly of serpentine-group minerals such as antigorite, lizardite, or chrysotile

Serpentinite

Serpentinite; chiefly serpentine-group minerals (lizardite, chrysotile, antigorite), commonly with magnetite and minor talc

Limestone paving slab

Limestone, composed mainly of calcite (CaCO₃)

Likely metallic meteorite fragment

Undetermined iron or stony-iron meteorite; mineralogy requires testing

Unidentified pale pink rough mineral specimen

Possibly rose quartz or feldspar; identification is uncertain from the photograph

Quartz-rich pegmatite

Granitic pegmatite, composed mainly of quartz and feldspar with dark mica or other accessory minerals

Iron-stained rock fragment

Likely limonite/goethite-stained rock; the underlying rock cannot be identified confidently from the image

Unidentified dark green rock, possibly serpentinite

Serpentinite; chiefly serpentine-group minerals (Mg₃Si₂O₅(OH)₄), identification uncertain from the blurred image

Rounded gray river cobble

Likely fine-grained sandstone, siltstone, or metamorphosed equivalent; exact identification requires a fresh surface and tests

Rock Salt (Halite)

Halite (Sodium Chloride, NaCl)

Stromatolite (stromatolitic limestone)

Laminated microbial carbonate, chiefly calcite (CaCO₃); precise species or age cannot be determined from the photo

Likely tumbled or polished fossil shell

Fossilized mollusk shell; exact species cannot be determined from this image

Fossil oyster shell

Fossilized bivalve mollusk shell; exact species and age cannot be determined from the image

Tumbled amethyst (tentative)

Amethyst, purple variety of quartz (SiO₂)

Unidentified natural rock specimens

Likely weathered, feldspar-rich granite or granitic pegmatite; exact identification requires close examination or testing

Himalayan Pink Salt

Halite (NaCl) with iron oxide inclusions

Serpentinite (serpentinized ultramafic rock)

Serpentinite; chiefly serpentine-group minerals (antigorite, lizardite, chrysotile), with possible magnetite, olivine, pyroxene, and talc

Brecciated serpentinite

Serpentinite breccia, composed mainly of serpentine-group minerals (e.g., lizardite, antigorite, chrysotile) with pale carbonate or quartz-rich veins

Likely malachite-bearing copper ore

Possibly malachite (Cu₂CO₃(OH)₂) with dark copper-bearing host rock; identification is uncertain from the image

Weathered iron-rich rock, possibly meteorite

Uncertain; likely goethite/hematite-rich material, with meteorite possibility