Large Polished Chevron Amethyst Slice with Striking...

atural Chevron Amethyst Slab — An imposing, polished section of Chevron Amethyst, sourced from Tanzanian deposits, is presented as a natural sculpture on an elegant metal base. This specimen stands out for its remarkable size and spectacular internal graphics, where the characteristic “V” (chevron) bands create a visually captivating dialogue between deep purple and crystalline white. The mirror-polished surface enhances every detail of the mineral’s complex structure. One can admire the almost hypnotic geometries formed by the inclusions of white and milky quartz alternating with intensely saturated amethyst layers. This alternation is not accidental, but testifies to the different growth phases of the crystal over millennia. The upper edge of the specimen has been deliberately left in its rough state, revealing a sparkling druse of terminated small crystals that catch the light and add a pleasing tactile contrast to the smoothness of the main face. Geologically, Chevron Amethyst results from a rhythmic deposition process of silica-rich hydrothermal fluids. Temperature and chemical composition variations have generated the visible stratification between the amethyst, colored by iron and natural irradiation, and the quartz lacking these elements. The chevron pattern is a macro-manifestation of quartz crystal gemination, as crystals grow oriented in specific directions, thereby creating the iconic “V” motif that gives this variety its name. This piece transcends its purely mineralogical value to become a work of art and design. Its presence can enrich any space, from a professional studio to a contemporary living room, acting as a focal point that sparks curiosity and conversation. It is an ideal piece for a modern Wunderkammer, blending scientific interest in Earth history with a powerful, sophisticated aesthetic, almost comparable to an abstract artwork. The black metal base, included with the lot, is custom-designed to support the weight and shape of the mineral, ensuring stability and optimal display. The assemblage constitutes a collectible and unique furnishing piece, a fragment of Tanzania’s natural beauty ready to be admired. Technical details Name: Amethyst (Chevron variety) Classification: Mineral, Silicate (Quartz) Provenance: Tanzania Specimen dimensions: 378 x 275 x 100 mm Specimen weight: 3374 g Base: Custom-painted metal stand Conditions: Natural specimen, polished on one face. No restorations or treatments present.

Estimation:€475

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