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Calcite, Quartz and Amethyst Crystals

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  • Amethyst Cluster with Calcite Crystals
    Located in London, GB
    A stunning rough amethyst cluster with calcite crystals. This piece has an exquisite purple color and a calcite formation on the top. To further add ...
    Category

    Antique 15th Century and Earlier Uruguayan Natural Specimens

    Materials

    Agate, Amethyst, Quartz

  • Amethyst Cluster with Stalactite Formations and Calcite Crystals
    Located in London, GB
    An exquisite and rare amethyst cluster with stalactite formations and calcite crystals. The stunning piece’s shape resembles a “Cascade” or “waterfa...
    Category

    Antique 15th Century and Earlier Uruguayan Natural Specimens

    Materials

    Agate, Amethyst, Quartz

  • Exceptional “Excalibur” Amethyst Formation, Calcite, Agate, Quartz
    Located in London, GB
    With its extremely unusual central amethyst epimorph after calcite, this natural wonder evokes images of the legendary sword, Excalibur, magically fixed in the stone. Elsewhere we ...
    Category

    Antique 15th Century and Earlier Uruguayan Natural Specimens

    Materials

    Agate, Amethyst, Quartz

  • Rare Tabletop Amethyst Formation with Calcite Goethite & Quartz
    Located in London, GB
    A very rare and exquisite table-top amethyst formation. The long fromation preserves a prominent golden calcite crystal on a bed of deep purple amethyst and is particularly sculptura...
    Category

    Antique 15th Century and Earlier Uruguayan Natural Specimens

    Materials

    Agate, Amethyst, Quartz

  • Rare Tabletop Amethyst Formation with Calcites Goethite & Quartz
    Located in London, GB
    A very rare and exquisite table-top amethyst formation. The long formation preserves prominent golden calcites crystal on a bed of deep purple amethyst and is particularly sculptural...
    Category

    Antique 15th Century and Earlier Uruguayan Natural Specimens

    Materials

    Agate, Amethyst, Quartz

  • Natural Specimen Amethyst and Calcite Flowers Crystals, Italy, 1880
    Located in Milan, IT
    A Naturalia mineral specimen. amethyst and calcite flowers crystals druse, mounted over guild-plated wooden base on a vase shape. Italy circa 1880.
    Category

    Antique 1880s Italian Natural Specimens

    Materials

    Amethyst, Crystal

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