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564 products
  • Calcite on Matrix – 1Calcite on Matrix – 2
    Calcite on Matrix – 1Calcite on Matrix – 2
    Calcite on Matrix
    $500.00
    $500.00

    A natural specimen featuring calcite crystals on a matrix, from Artigas, Uruguay. This piece showcases the unique formation of calcite crystals in a rough, unpolished state....
  • Amethyst Formation with Calcite – 1Amethyst Formation with Calcite – 2
    Amethyst Formation with Calcite – 1Amethyst Formation with Calcite – 2
    Amethyst Formation with Calcite
    $670.00
    $670.00

    A unique mineral specimen featuring amethyst formation accompanied by calcite, showcasing the natural beauty of these crystals. Weight: 2.85 kg (6.29 lb) Dimensions (H × W...
  • Calcite Specimen – 1Calcite Specimen – 2
    Calcite Specimen – 1Calcite Specimen – 2
    Calcite Specimen
    $100.00
    $100.00

    A natural calcite specimen from Artigas, Uruguay. This piece showcases the unique characteristics of calcite, a popular mineral among collectors. Weight: 0.84 kg (1.86 lb) Dimensions...
  • Amethyst Stalactite Formation – 1Amethyst Stalactite Formation – 2
    Amethyst Stalactite Formation – 1Amethyst Stalactite Formation – 2
    Amethyst Stalactite Formation
    $100.00
    $100.00

    This stunning specimen features a cut base showcasing a layered matrix. Beginning with basalt, the layers progress to a thin band of agate, followed by orange...
  • Calcite and Amethyst Pseudomorph – 1Calcite and Amethyst Pseudomorph – 2
    Calcite and Amethyst Pseudomorph – 1Calcite and Amethyst Pseudomorph – 2
    Calcite and Amethyst Pseudomorph
    $100.00
    $100.00

    Exquisite specimen featuring a cut base with intense color, showcasing a double crystallization of dark amethyst that extends above the calcites. One calcite, plate-shaped, stands vertically...
  • Amethyst with Calcite – 1Amethyst with Calcite – 2
    Amethyst with Calcite – 1Amethyst with Calcite – 2
    Amethyst with Calcite
    $300.00
    $300.00

    This self-standing, cut amethyst piece features purple crystals and retains its volcanic basalt matrix. It is accompanied by a single-generation, opaque calcite with an internal phantom...
  • Rainbow Amethyst Galaxy Sculpture – 1Rainbow Amethyst Galaxy Sculpture – 2
    Rainbow Amethyst Galaxy Sculpture – 1Rainbow Amethyst Galaxy Sculpture – 2
    Rainbow Amethyst Galaxy Sculpture
    $300.00
    $300.00

    This polished amethyst sculpture, dubbed 'Rainbow', showcases a vibrant array of crystals set against a Galaxy background. The piece retains its volcanic basalt matrix and features...
  • Sugar Calcite with Amethyst – 1Sugar Calcite with Amethyst – 2
    Sugar Calcite with Amethyst – 1Sugar Calcite with Amethyst – 2
    Sugar Calcite with Amethyst
    $220.00
    $220.00

    This unique specimen features a polished amethyst cavity with a stunning rainbow effect. The crystals sprawl across a lavender background, still attached to its volcanic basalt...
  • Amethyst with Calcite – 1Amethyst with Calcite – 2
    Amethyst with Calcite – 1Amethyst with Calcite – 2
    Amethyst with Calcite
    $400.00
    $400.00

    This unique specimen features a lavender amethyst 'cupcake' with crystalline quartz body, accompanied by chunky formations. It is paired with two transparent, singly-generated calcite crystals that...
  • Amethyst with Calcite – 1Amethyst with Calcite – 2
    Amethyst with Calcite – 1Amethyst with Calcite – 2
    Amethyst with Calcite
    $200.00
    $200.00

    Stand-alone, carved and polished specimen featuring vibrant purple amethyst crystals. The piece retains its volcanic basalt matrix. A complete, opaque, and sturdy calcite crystal accompanies the...
  • Amethyst with Calcite – 1Amethyst with Calcite – 2
    Amethyst with Calcite – 1Amethyst with Calcite – 2
    Amethyst with Calcite
    $250.00
    $250.00

    This self-standing piece features lavender amethyst crystals, still attached to its volcanic basalt matrix, with a cap of agate. It also boasts a single-generation, opaque, and...
  • Amethyst With Calcite – 1Amethyst With Calcite – 2
    Amethyst With Calcite – 1Amethyst With Calcite – 2
    Amethyst With Calcite
    $1,400.00
    $1,400.00

    This freeform piece features deep purple amethyst crystals mounted on an iron stand. The specimen retains its volcanic basalt matrix. Accompanying the amethyst are two complete...