Fine mineral specimens · Hand-picked by Jon Singer

Earth's art.

Museum-grade fluorite, tanzanite, aquamarine, tourmaline and more — each one of a kind.

Browse the collection
Emerald groupAnnabel Lee fluoritePink calcite trioCitrine pointsGolden baryte

  • Hand-picked

    Every specimen personally sourced, photographed and shipped by Jon.

  • One of one

    Natural crystals — no two alike. The piece you see is the exact piece you receive.

  • Insured worldwide

    Worldwide shipping, packed by hand. Optional insurance at checkout. All sales final.

Recently sold

Previously sold specimens - the archive of pieces that found their collectors.

1 4
View all

Browse by mineral

View all
  • Fluorite specimens - 22sGEMS

    Fluorite

    Fluorite is calcium fluoride, famous among collectors for its glassy luster, cubic...

    Fluorite

  • Amethyst specimens - 22sGEMS

    Amethyst

    Amethyst is the purple variety of quartz, and Namibia produces some of...

    Amethyst

  • Tanzanite specimens - 22sGEMS

    Tanzanite

    Tanzanite is the blue-to-violet gem variety of the mineral zoisite, found at...

    Tanzanite

  • Tourmaline specimens - 22sGEMS

    Tourmaline

    Tourmaline is a complex borosilicate that crystallizes in a wider range of...

    Tourmaline

  • Aquamarine specimens - 22sGEMS

    Aquamarine

    Aquamarine is the sea-blue gem variety of beryl, and 22sGems carries elite...

    Aquamarine

  • Heliodor specimens - 22sGEMS

    Heliodor

    Heliodor is the golden-yellow variety of beryl, and the Volyn Region of...

    Heliodor

  • Emerald specimens - 22sGEMS

    Emerald

    Emerald is the green, chromium- or vanadium-bearing variety of beryl and one...

    Emerald

  • Malachite specimens - 22sGEMS

    Malachite

    Malachite is a vivid green copper carbonate, famous for its banded botryoidal...

    Malachite

1 8
View all

22sGEMS by Jon Singer

A collector's eye, twenty years in the making

After two decades building SINGER22, Jon turned his obsession with the exceptional to the mineral world. Fluorite, tanzanite, aquamarine, tourmaline — every piece is chosen for color, form and character, straight from the pockets collectors talk about.

Follow the hunt on Instagram