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Toutes les enchères / Ethnographie / Exquisite Malachite with Captivating Botryoidal Patterns...
Spectacular display of emerald-green concentric bands — This specimen of polished malachite, hailing from Congo, is a true natural sculpture that captures the essence of geological beauty. With a free, sinuous form, the piece has been skillfully polished to highlight its intricate internal structures and its silky luster. Malachite is a secondary copper mineral that forms in the oxidation zones of copper deposits, often in carbonate-rich environments, such as voids in karst caves, where carbonic-acid-rich water reacts with primary copper minerals. The surface reveals an explosion of botryoidal patterns, characterized by concentric bands that alternate between deep, almost black greens and brighter, more vibrant hues of emerald and mint. These hypnotic motifs, known as “peacock eyes” or “bull’s-eye patterns,” are the result of slow, steady mineral growth processes, where successive layers of mineral deposit in spherical conformations. The polish emphasizes its three-dimensional depth, making every curve and line a landscape that seems almost liquid under light, revealing the geological history etched into its structure. In places, delicate inclusions of chrysocolla emerge, adding a chromatic contrast with blueish hues that harmonize with the deep green of malachite. The combination of these two mineral species further enriches the visual and mineralogical interest of the specimen. This specimen is not just a mineral, but a tangible testament to the slow and powerful work of nature, a balance between pressure, copper-rich solutions, and water that has generated a work of art. Ideal for enriching a collection of fine minerals, as a sculptural decorative element in a refined space, or as a fascinating piece to display in a Wunderkammer, this block of malachite tells the deep story of the Earth with the silent eloquence of minerals, offering a focal point of undeniable aesthetic and scientific impact. Every irregularity, tiny fracture, or color variation is an integral part of the rock’s natural formation and certifies its authenticity and origin.
Estimation:€160
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Estimation:
€160
OCT 8 | 3:00 PM
Présentez votre vente aux enchères à des collectionneurs du monde entier !
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