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Petrified Fossil Colla Wood - Azurite & Malachite

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  • Oval Section with Tan Coloured Druze
    Located in London, GB
    A beautiful cloud like formation with nascent stalactites covered in tan coloured druzy quartz with polished edges. This piece was legally and ethically sourced directly in the p...
    Category

    Antique 15th Century and Earlier Uruguayan Natural Specimens

    Materials

    Agate, Amethyst, Quartz

  • Natural Basalt Section with Amethyst Exposed
    Located in London, GB
    This fascinating section of basalt perfectly illustrates how the precious amethyst appears in the tunnels of the underground mines of Artigas. Glistening deep purple crystals jump ...
    Category

    Antique 15th Century and Earlier Uruguayan Natural Specimens

    Materials

    Agate, Amethyst, Quartz

  • Small amethyst cluster
    Located in London, GB
    A small amethyst cluster with interesting sprinkling of creamy calcite crystals. Polished at the edges. This piece was legally and ethically sourced directly in the prestigious mine...
    Category

    Antique 15th Century and Earlier Uruguayan Natural Specimens

    Materials

    Agate, Amethyst, Quartz

    Small amethyst cluster
    $650
    Free Shipping
  • Cut and Polished Heart with Cotton Candy Inclusion
    Located in London, GB
    An attractive geode section cut and polished into a heart shape, revealing white quartz layers with various agate layers. A cavity to the left with pink druze resembling cotton can...
    Category

    Antique 15th Century and Earlier Uruguayan Natural Specimens

    Materials

    Agate, Amethyst, Quartz

  • Intense Split Geode
    Located in London, GB
    This split geode reveals incredibly intense amethyst with a calcite to the upper left. The almost impossibly intense colour is a product of the rich amethyst overlaid on a bed of u...
    Category

    Antique 15th Century and Earlier Uruguayan Natural Specimens

    Materials

    Agate, Amethyst, Quartz

    Intense Split Geode
    $11,000
    Free Shipping
  • “Cup of Flowers” Amethyst and Calcite
    Located in London, GB
    Resembling a cup of flowers, this formation consists of several circular calcite arrangements sat on a bed of deep purple amethyst. There is a second generation growth of amethysti...
    Category

    Antique 15th Century and Earlier Uruguayan Natural Specimens

    Materials

    Agate, Amethyst, Quartz

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  • Petrified Incense Cedar Wood Fossil
    Located in London, GB
    This spectacular cross section of petrified cedar wood comes from Saddle Mountain, Washington. It is remarkably large with a wonderful and highly aesthetic shape, exhibiting vibrant ...
    Category

    Antique 15th Century and Earlier Natural Specimens

    Materials

    Petrified Wood

  • Azurite on Malachite From Utah
    Located in New York, NY
    Enrich your collection with this mineralogical classic from the Big Indian Mine in San Juan County, Utah. The brilliantly pigmented blue azurite concretions or "raspberries" for whic...
    Category

    2010s American Natural Specimens

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    Crystal, Malachite

  • Azurite with Malachite From Laos
    Located in New York, NY
    This specimen from Laos displays a stunning deep-blue azurite on a verdant backdrop of light green malachite. Offering sparkling luster and texturally fascinating, this combination p...
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    2010s Southeast Asian Natural Specimens

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    Crystal, Malachite

  • Azurite and Malachite from Oshikoto, Namibia
    Located in New York, NY
    From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Rich cluster of lustrous deep royal blue azurite crystals on malachite-duftite-calcite matrix. All of the azurite crys...
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    Antique 15th Century and Earlier Namibian Natural Specimens

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    Crystal, Other

  • Fossilised Colla Wood Cross-Section
    Located in London, GB
    Fossilised colla wood cross-section Miocene, circa 5-23 Million y/o This fossilised white pine wood section displays a beautiful surface, with vibrant h...
    Category

    Antique 15th Century and Earlier Turkish Natural Specimens

    Materials

    Stone

  • Azurite with Malachite from Bisbee, Arizona USA
    Located in New York, NY
    This large specimen from Bisbee, Arizona USA contains an eye-catching blend of electric-blue Azurite crystals and green Malachite. Displays differing oxidation levels of copper, from...
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    21st Century and Contemporary American Natural Specimens

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    Crystal

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