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Toutes les enchères / Ethnographie / Vivid Turquoise Chrysocolla with 'Eye' Formations...
atural Polished Chrysocolla with Malachite Specimen from Congo This specimen, coming from the rich deposits of the Democratic Republic of the Congo, is a superb polished slab that reveals the intimate association between chrysocolla and malachite. The free, sculptural form of the piece, worked to enhance its surface, turns the mineral into a natural work of art. The visual impact is immediate, dominated by a vibrant blue-turquoise that evokes tropical waters, punctuated and traversed by green orbicular patterns that give the specimen a unique and hypnotic character. Careful observation of the polished surface is like looking out over an abstract geological landscape. Chrysocolla constitutes the main matrix, with its intense and saturated color. Within it, malachite manifests through spectacular botryoidal formations and concentric rings, known as “eyes.” These patterns, ranging from forest green to lighter green, testify to slow, layered growth. The color contrast between the blue and green is extraordinarily vivid, creating a dynamic composition of great elegance. Subtle mineralized fracture lines and a fine natural crazing can also be noticed, adding depth and history to the texture of the piece. The genesis of such a sample lies in the oxidation processes affecting copper deposits. Chrysocolla, a hydrated copper silicate, and malachite, a copper carbonate, are secondary minerals that form when meteoric waters, enriched with oxygen and carbon dioxide, percolate through rocks containing primary copper minerals. This chemical alteration process dissolves copper and re-deposits it in new mineralogical forms, layer by layer, giving rise to these wonderful colored concretions. The orbicular patterns are the signature of this gradual growth process. The association of chrysocolla and malachite is particularly prized in the collecting world not only for its beauty but also because it represents a direct visual testimony of the geochemical processes of copper. The polish, in this case, does not spoil the piece but reveals its soul, allowing appreciation of every minute detail of its internal structure, otherwise hidden in its rough form. This specimen is much more than a simple mineral; it is a fragment of Earth's history, a conversation piece that catches the eye and stimulates curiosity. Its strong aesthetic presence makes it ideal for display in a contemporary Wunderkammer, in a professional studio, or as a focal point in an interior design setting that values the authenticity and beauty of natural materials. It is a small abstract painting drawn by nature. Technical details Name: Chrysocolla with Malachite Origin: Democratic Republic of the Congo Dimensions: 140 x 90 x 25 mm Weight: 344 g Treatments: Surface polish Condition: Natural
Estimation:€260
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Estimation:
€260
OCT 8 | 3:00 PM
Présentez votre vente aux enchères à des collectionneurs du monde entier !
Soyez référencé dès maintenant€375
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