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Tutte le aste / Etnografia / Free Form Ocean Jasper with Earthy Green Tones - Natural...
Oceanic Jasper – Madagascar – Jurassic Stratifications and Ocellations — This superb specimen of Oceanic Jasper, coming from the northwest coast of Madagascar, has been skilfully molded into a free sculptural form and mirror-polished. The stone presents itself as a geological compendium, a natural history object that captures the essence of the submarine volcanic processes that created it. Its substantial size and the richness of the patterns make it a visually and scientifically impactful display piece. The surface, smoothed to achieve a vitreous shine, reflects the light, highlighting every color and structural detail. The organic shape, without sharp edges, invites tactile and visual exploration. The color palette is a tribute to nature: dominantly sage greens and sea-foam greens, crossed by cream-colored stratifications, ochre yellow, and delicate pinkish nuances on the summit. These color bands create an abstract landscape that recalls aerial views of a wild coastline. The piece’s most fascinating element is the coexistence of two distinct patterns. On one side, clear horizontal stratifications testify to slow, successive deposits of silica-rich fluids. On the other, the matrix is studded with the iconic ocellations, or “orbs,” which give this variety of rhyolite its name. These spherulitic structures, formed by radial growths of quartz chalcedony and feldspar, appear as tiny “eyes” or miniature worlds, distributed harmoniously within the colored bands, creating a three-dimensional depth. Oceanic Jasper is a commercial term for a rare variety of orbital rhyolite that is found exclusively in the Marovato region of Madagascar. Its formation is linked to volcanic activity that occurred millions of years ago. During the cooling of the rhyolitic lava flow, trapped gases and fluids created cavities, later filled by siliceous deposits. The different mineral inclusions are responsible for the extraordinary color variety and the formation of the “orbs.” The deposits are notoriously difficult to reach, accessible only during low tide, making each extracted specimen particularly precious. Thanks to its remarkable size and the quality of the natural patterns, this specimen qualifies as a premier collectible piece. The inclusions, the small drusy cavities visible on the surface, and the internal micro-fissures are not defects, but seals of authenticity that tell its geological history. It is a perfect object to enrich a contemporary Wunderkammer, a professional studio, or a private gallery, acting as a focal point that unites sculptural aesthetics with the wonder of natural science. In short, this Oceanic Jasper is not merely a polished stone, but a fragment of Madagascar’s ancient Earth’s crust, a natural work of art carved by time and geology. Its free form and impeccable finish transform it into a unique design piece capable of dialoguing with both classical and modern interiors.”} } )? Wait ensure JSON exactly with one key. We must not include stray characters. The above has extraneous closing. Let's provide clean. Compute. Ensure only {
Stima:€450
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