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atural Polychrome Jasper Sphere with Landscape Patterns — This lot features a magnificent Polychrome Jasper sphere, an example that captures the essence of abstract geological landscapes within a perfect geometric form. Its surface, expertly polished to a mirror-like sheen, invites tactile and visual exploration, revealing new perspectives and chromatic scenarios with every rotation. This object is not merely a worked mineral, but a true fragment of natural art, a dialogue between the Earth's primal strength and the elegance of human craftsmanship. The color palette is extraordinarily rich and harmonious, dominated by warm earthy tones. Broad swathes of ochre and mustard yellow, reminiscent of desert sands at sunset, alternate with bands and patches of deep sage green and gray-blue, evoking ancient seabeds or fossil vegetation. Subtle reddish and orange veining, likely due to iron oxides, traverse the surface like fiery rivers or cracks in the Earth's crust, adding dynamism and a sense of lived geological history. A careful analysis of the photographs reveals the mineral's complex structure. You can observe 'brecciated' zones where angular jasper fragments have been cemented together by translucent chalcedony, creating a mosaic-like effect. A particular section shows a gray-white 'eye,' a nucleus around which concentric layers develop. These features are not imperfections but noble scars that tell of geological events, fractures, and healing processes that have made this piece unique. Polychrome Jasper is an opaque variety of chalcedony, a microcrystalline quartz. Its incredible variety of colors and patterns derives from the presence of mineral impurities, mainly iron oxides and hydroxides, trapped during formation. This process occurs when silica-rich fluids percolate through sedimentary or volcanic rocks, slowly depositing the mineral layer by layer. Each layer captures a snapshot of the chemical and environmental conditions of that moment, creating a readable geologic chronicle on the surface of the stone. As a collectible and decorative object, this sphere possesses timeless charm. Its spherical shape, a symbol of unity and perfection, makes it a focal point of strong visual impact, ideal for display on a shelf, on a desk, or inside a modern Wunderkammer. It is a piece that stimulates contemplation and curiosity, a bridge between the world of interior design and that of natural history. Its substantial size and the quality of the polish further enhance its value. Technical details Name: Polychrome Jasper Classification: Mineral, variety of Chalcedony Dimensions: 114 x 114 x 114 mm Weight: 1939 g Conditions: Natural specimen worked. Shows fracture lines and natural inclusions intrinsic to the mineral’s structure.
Estimate:£178.54
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Estimate:
£178.54
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OCT 17 | 10:00 PM

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