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All auctions / Ethnographic / Vivid Deep Purple Amethyst Crystal Cluster with High...


Extra Quality — This lot features a splendid natural amethyst Druze from Uruguay, a globally celebrated locality for the exceptional quality and chromatic intensity of its quartz. The specimen stands out for its organic form and a surface entirely covered by dense crystallization of deep, saturated violet, a true hallmark of the best Uruguayan amethysts. Observing the sample up close reveals a carpet of countless well-formed quartz crystals. The pyramidal tips, though small in size, are incredibly well-defined and reflect light with a glassy brilliance, creating a sparkling effect that animates the entire surface. The color palette is rich and dynamic: ranging from regal violet, almost purple in the most saturated areas, to more delicate shades of lilac and lavender toward the tips, revealing a slight translucence that catches the light. The base consists of basaltic host rock, grey-brown in color, providing a natural contrast and bearing witness to the piece’s geological origin. The formation of this druse dates back millions of years, within gas bubbles trapped in basalt lava flows. Slowly, over geological time, silica-rich hydrothermal solutions filtered into these cavities. The slow cooling process allowed the gradual growth of the quartz crystals. The characteristic violet coloration is due to infinitesimal traces of iron within the crystal structure, activated by natural radiation present in the surrounding rocks. The concentration of these inclusions determines the intensity and depth of the color, and Uruguayan specimens are renowned for having the ideal conditions to develop these exceptional hues. This specimen is not only an object of remarkable aesthetic value but also a collection piece of great mineralogical interest. It represents a classic of world mineralogy, a reference specimen for quality and provenance. Its size and shape make it perfect for display in a dedicated showcase, where it can be admired from every angle. It is an ideal element to enrich a contemporary Wunderkammer, a professional studio, or a library, adding a touch of natural elegance and geological history. The interplay between the saturated color, the vivid luster of the crystals, and the density of the formation gives this amethyst an extraordinary visual impact. It is a fragment of nature that encapsulates the beauty of Earth's geological processes, a piece that combines scientific fascination with a timeless decorative power.”} } }` Wait ensure valid JSON: We must only have one key. Our current has extra braces. Let's fix. The output should be {
Estimate:$560.86
To the auctionView all items fromCatawikiorEthnographic
Estimate:
$560.86
BRUKSTINA / SVEPASK, allmoge, Vestlandet. Norge, 1800-talets första hälft.
10/26/2026
$100.96
Est: $201.37

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