Man Made Object (Metalwork)

Possible polished or tumbled stone

Unidentified; the image does not show enough detail to determine its composition

Tumbled aqua glassy mineral specimen, likely chrysocolla or turquoise imitation

Uncertain from image; possible chrysocolla (hydrated copper aluminosilicate, variable composition) or dyed/man-made glass

Carved serpentine pendant

Serpentine-group minerals, commonly antigorite/lizardite (Mg₃Si₂O₅(OH)₄), possibly mixed with chlorite or other inclusions

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

Quartz, SiO₂; possible lepidolite mica inclusions

Pearls (likely freshwater cultured pearls)

Pearl: nacre, primarily aragonite (CaCO₃) with conchiolin

Diamond (in a jewelry setting)

Diamond (Carbon, C)

Luminous Stone (Glow-in-the-dark Synthetic/Man-made Stone)

Strontium Aluminate tinted glass or resin (Crystalline silicate/oxide mix)

Engraved green stone worry pebble

Likely nephrite jade (tremolite–actinolite series); identification is uncertain from the image

Serpentinite (likely serpentinized ultramafic rock)

Serpentinite; chiefly serpentine-group minerals (Mg₃Si₂O₅(OH)₄), commonly with magnetite, chromite, and relict olivine/pyroxene

Honey calcite

Calcite (calcium carbonate, CaCO₃)

Calcite (or Alabaster, if truly carved)

Calcium Carbonate (CaCO3)

Gemstone bead necklace (likely citrine or yellow quartz)

Quartz, SiO₂; precise identification is uncertain because the beads are blurred and metal settings obscure them

Clear quartz crystal pendant

Quartz (silicon dioxide, SiO₂)

Tumbled dark blue-green stone, likely labradorite or indigo gabbro

Indeterminate; possible feldspar-rich labradorite (plagioclase, NaAlSi₃O₈–CaAl₂Si₂O₈)

Small rounded pebble

Unidentified lithic clast; likely fine-grained sandstone, mudstone, or basalt

Blue opalite (often sold as synthetic opal)

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

Tiger’s-eye (likely a polished or carved tiger’s-eye piece)

Quartz variety with fibrous crocidolite-replacement structure; SiO₂

Calcite

Calcium Carbonate (CaCO3)

Likely weathered sandstone or iron-stained sedimentary pebble

Indeterminate clastic sedimentary rock; possibly quartz-rich sandstone

Pink quartz crystal, possibly rose quartz

Quartz (silicon dioxide, SiO₂), likely pink quartz/rose quartz

Likely ironstone concretion or weathered iron-rich rock

Goethite/hematite-bearing limonite (FeO(OH)·nH₂O / Fe₂O₃)

Jade

There are two distinct minerals commonly known as Jade: Nephrite (a calcium magnesium silicate - Ca2(Mg,Fe)5Si8O22(OH)2) and Jadeite (a sodium aluminum silicate - NaAlSi2O6). Based on the image showing a typically softer, more fibrous appearance, it is likely Nephrite.

Fossilized ammonite

Ammonoidea (likely an ammonite; exact genus indeterminate)

Tumbled blue stone, likely blue aventurine or dyed quartzite

Quartz (SiO₂), likely with inclusions or artificial dye; exact identification requires testing

Heart-shaped Pebble (Limestone/Quartz)

Calcium Carbonate (CaCO3) / Silicon Dioxide (SiO2)

Likely dark rounded stone or mineral fragment

Indeterminate; possibly a water-worn mafic rock such as basalt

Unable to Identify (Image Obscured)

Possible fossil tooth or bone fragment

Indeterminate fossilized vertebrate material; species cannot be identified reliably from this image

Weathered mica-rich schist

Muscovite/biotite schist, likely quartz-bearing

Weathered quartz-rich pebble

Likely granitic or felsic igneous rock; quartz (SiO₂) with feldspar and minor mafic minerals

Polished citrine quartz point

Quartz, silicon dioxide (SiO₂), yellow-orange variety commonly sold as citrine; possibly heat-treated amethyst

Spiny Oyster Shell

Spondylus varians (Biogenic Calcium Carbonate)

Banded agate pendant (likely carnelian or brown-and-white chalcedony agate)

Agate, a banded variety of chalcedony; microcrystalline quartz, SiO₂, with iron-oxide coloration

Obsidian (likely snowflake or banded variety)

Volcanic glass, primarily SiO₂

Diamond (or Diamond Simulant)

Carbon (C)

Likely biotite-rich mica schist

Mica schist, chiefly biotite (K(Mg,Fe)₃AlSi₃O₁₀(F,OH)₂); exact identification from image is uncertain

Black-and-copper polished granite

Biotite granite, likely a commercial gabbro/granite variety

Quartz-rich stone tool or shaped mineral specimen

Likely milky quartz or quartzite (SiO₂); exact material cannot be confirmed from the image

Gemstone-set ring, likely cubic zirconia or diamond

Likely synthetic cubic zirconia (zirconium dioxide, ZrO₂); stones may alternatively be diamond (carbon, C)

Jadeite Jade

Jadeite (NaAlSi2O6)

Likely polished dark stone (identity uncertain)

Undetermined; possibly polished basalt, chert, or another dark silicate rock

Likely polished dark stone or mineral specimen (unidentifiable from image)

Undetermined; possibly dark quartz-rich material, basalt, or obsidian