Mineral (Specifically, A Variety Of The Mineral Species Pyrope Almandine Garnet)

Beaded Jewelry (Assorted Gemstones)

Various minerals, including but not limited to Quartz (SiO2), Garnet (X3Y2(SiO4)3), Jade (Na(Al,Fe)Si2O6), Amethyst (SiO2),等の多様な組み合わせ

Garnet

Garnet group (X3Y2(SiO4)3)

Tumbled blue-gray mineral specimen

Indeterminate; possibly dumortierite quartz, sodalite, or dyed stone

Polished brown jasper pebble

Microcrystalline quartz (SiO₂), commonly iron-oxide-rich jasper

Tumbled orange chalcedony (likely carnelian)

Carnelian, a microcrystalline quartz variety; SiO₂, commonly colored by iron oxides

Tumbled jasper

Microcrystalline quartz (SiO₂), colored by iron oxides and other impurities

Tumbled yellow jasper

Microcrystalline quartz (SiO₂), typically chalcedony with iron-oxide impurities

Polished orbicular jasper (likely ocean jasper)

Jasper, microcrystalline quartz (SiO₂), with iron-oxide and volcanic-mineral inclusions

Selenite tower

Selenite (transparent to translucent gypsum), CaSO₄·2H₂O

Fuchsite

Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)

Yellow Sapphire

Corundum (Al2O3)

Rhyolitic jasper / brecciated jasper

Silica-rich volcanic rock, chiefly microcrystalline quartz (SiO₂), with iron-oxide and clay/mineral impurities

Yellow Jasper

Tectosilicates (SiO2) with Goethite/Iron oxide inclusions

Quartz-rich pegmatite with red feldspar or garnet inclusions

Granitoid pegmatite; chiefly quartz and feldspar, with possible almandine garnet or iron-oxide inclusions

Amazonite

K(AlSi3O8) - Potassium Aluminum Silicate

Emerald

Beryl (Be₃Al₂Si₆O₁₈), specifically the green variety colored by trace amounts of chromium or vanadium.

Tumbled brown jasper

Microcrystalline quartz/chalcedony (SiO₂), likely iron-stained jasper

Quartz with Spessartine Garnet and Biotite

SiO2 (Quartz) with Mn3Al2(SiO4)3 (Spessartine)

Ruby

Corundum (Al2O3 with Chromium traces)

Polished banded stone, likely zebra jasper

Zebra jasper (banded microcrystalline quartz, chiefly SiO₂, with iron-oxide and carbonate impurities)

Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Unknown Organic Object (likely a berry or fruit)

Not applicable; this is not a geological specimen. If it were a cranberry, its scientific name would be Vaccinium macrocarpon; if a cherry, it would be Prunus avium or Prunus cerasus.

Jasper (likely red/brown jasper pebble)

Microcrystalline quartz (SiO₂), an opaque variety of chalcedony; exact identification is uncertain from the photo

Yellow Jasper

Silicon dioxide (SiO2)

Tumbled jasper (likely mookaite or brown/orange jasper)

Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide inclusions

Polished brown-and-cream jasper

Jasper, microcrystalline quartz (SiO₂) with iron-oxide inclusions

Red jasper pebble

Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored red by iron oxides

Red jasper (likely tumbled jasper/chert)

Microcrystalline quartz, SiO₂, colored red by iron oxides; exact identification from the photo is uncertain.

Red jasper pebble (probable)

Jasper, opaque microcrystalline quartz (SiO₂), colored mainly by iron oxides

Red jasper (likely brecciated jasper)

Microcrystalline quartz/chalcedony (SiO₂) colored by iron oxides, with white quartz or calcite veining

Polished agate (likely Botswana or plume agate)

Microcrystalline quartz, mainly chalcedony (SiO₂), with iron-oxide inclusions

Banded agate (likely jasper/chalcedony nodule)

Microcrystalline quartz, SiO₂ (chalcedony with iron-oxide inclusions)

Polished bloodstone (heliotrope)

Chalcedony, microcrystalline quartz (SiO₂), colored by iron-oxide inclusions

Tumbled banded jasper (probable)

Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide and other mineral inclusions

Polished red jasper beads

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

Polished labradorite bead strand

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

Tumbled bloodstone (heliotrope), probable

Chalcedony (microcrystalline quartz, SiO₂) with iron-oxide inclusions

Banded agate (likely carnelian/chalcedony)

Microcrystalline quartz, SiO₂; chalcedony with iron-oxide coloration

Tumbled orbicular jasper (probable)

Jasper, microcrystalline quartz (SiO₂), with iron- and clay-rich inclusions

Polished orbicular jasper (likely ocean jasper)

Jasper, a microcrystalline variety of quartz (SiO₂), with iron-oxide and other mineral inclusions

Amazonite

Microcline feldspar (KAlSi₃O₈), green variety

Fancy Jasper

Silicon Dioxide (SiO2) with mineral inclusions