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Todas las subastas / Etnográfica / Madagascar Septarian Egg Geode - Deep Cavity of Sparkling...
Deep Cavity of Sparkling Drusy Calcite Crystals — Spectacular shiny specimen with crystallized cavity — This magnificent Septarian egg, from Madagascar, is a specimen with great visual impact and notable geological interest. Its exterior surface has been finely polished to reveal the characteristic network of dark aragonite fractures that rise against the beige-cream background of the calcite, creating a unique and fascinating pattern. The peculiarity of this piece lies in its geode structure, where a section has been removed to expose a deep internal cavity. This cavity is richly encrusted with sparkling dark-brown calcite crystals, which capture and reflect light, creating a dramatic contrast with the glossy external surface. The combination of color and texture makes this egg a true masterpiece of nature. Septaria, also known as “Dragon Stones,” are nodular concretions that form in marine mud. During dehydration, the mud cracks (forming the characteristic reticulated pattern), and these fissures are then filled by secondary minerals such as calcite, aragonite, and sometimes barite. This geological process, which occurred millions of years ago, gave rise to formations that are unique and highly valued by collectors. Each Septarian egg is a one-of-a-kind piece, a testament to the geological processes of our planet. This specimen, with its exceptional workmanship and the bright crystalline cavity, represents a perfect focal point for any mineral collection or as a distinctive decorative element in a refined environment. Its dramatic presence makes it ideal for a modern Wunderkammer or as a display piece in a study or living room. Conditions: The specimen is in excellent overall condition.
Estimación:€300
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Estimación:
€300
OCT 8 | 3:00 PM
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