High-Quality Labradorite Sphere with Intense Blue-Green...

The Planet of Light - Natural Intense Labradorescence — We present a magnificent Labradorite sphere of remarkable size, sourced from the rich deposits of Madagascar. This specimen, shaped and polished with masterful skill to achieve a perfect spherical form, stands out for its considerable weight and, above all, for the intensity of its optical phenomenon. The labradorescence that animates its surface transforms the mineral into a dynamic object, a true celestial globe captured in stone. At first glance, the sphere presents a dark grey-green mass, crossed by a dense network of fractures and natural planes of cleavage, creating a complex and fascinating texture, almost an internal geological map. It is by rotating the specimen under light that its true nature is revealed: sudden and shifting flashes of color, from electric blue to peacock green and azure, dance across the polished surface. This play of light, known as labradorescence or the Schiller effect, is not a superficial pigment but an optical interference that emerges from the depths of the crystal structure. The polish is impeccable and allows appreciation of every single reflection without distraction. Some darker, more opaque areas are noticeable, testimony to the heterogeneous composition of the mother rock, which do not diminish the value but rather attest to its natural authenticity. Labradorite is a plagioclase feldspar, a tectosilicate mineral whose peculiarity lies in its internal lamellar structure at sub-microscopic scales (polymineral twinning). When light passes through these ultra-thin layers, it is split and reflected at specific wavelengths, generating the iridescent colors we admire. The intensity and color range depend on the orientation and thickness of these lamellae. Working a large block of rough Labradorite into a sphere is a technical challenge that requires identifying the best orientation to maximize the optical phenomenon across the entire curved surface. Madagascar is one of the most famous sources for high-quality Labradorite, worldwide appreciated for the liveliness of its colors. A specimen of this size (nearly 16 cm in diameter and over 5 kg in weight) with such widespread and intense labradorescence represents a piece of considerable prestige on the market. It is an object that not only documents a fascinating geological phenomenon but also possesses exceptional visual and aesthetic impact. This sphere is an object destined to become the focal point of any environment. Its pure geometric shape, combined with the ever-changing magic of the mineral, makes it a refined decorative accessory, ideal for professional studios, libraries, or contemporary design interiors. For the mineral collector, it represents a prestigious specimen that magnificently exemplifies the optical properties of feldspars. As a piece for a modern “Wunderkammer,” it embodies the bond between natural science, beauty, and art. Technical details Name: Labradorite Classification: Mineral, Tektosilicate (Plagioclase Feldspar) Provenance: Madagascar Dimensions: 155 x 155 x 155 mm Weight: 5181 g Material: Natural mineral worked Conditions: Good, with intrinsic natural features such as visible internal fractures.

Estimate:£760.35

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