Vivid Turquoise Chrysocolla with 'Eye' Formations...

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, transforms the mineral into a natural work of art. The visual impact is immediate, dominated by a vibrant blue-green that evokes tropical waters, dotted and traversed by green orbicular patterns that give the specimen a unique and hypnotic character. A careful observation of the glossy surface is like gazing out over an abstract geological landscape. Chrysocolla forms the main matrix, with its intense and saturated color. Within it, malachite appears through spectacular botryoidal formations and concentric rings, known as "eyes". These patterns, varying from forest green to lighter greens, testify to slow and layered growth. The color contrast between the blue and the green is exceptionally vivid, creating a dynamic and elegant composition. Thin lines of mineralized fracture and a fine natural craquelé can also be observed, adding depth and history to the piece's texture. The genesis of such a specimen lies in the oxidation processes affecting copper deposits. Chrysocolla, a hydrated copper phyllosilicate, 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 redeposits it into new mineral forms, layer by layer, giving rise to these wonderful colored concretions. The orbicular patterns are the signature of this gradual growth process. The Chrysocolla-Malachite association is particularly valued in the collecting world not only for its beauty but also because it represents a direct visual testimony of the geochemical processes of copper. Polishing, in this case, does not distort 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 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 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 polishing Conditions: Natural

Estimation:€260

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