Spectacular Chevron Amethyst Slice - Intense Violet and...

atural geometry of violet and white quartz with iron inclusions — This lot presents an imposing chevron amethyst section from Tanzania, skillfully mounted on a black metal base with a minimalist design. The specimen stands out for its notable size and spectacular internal structure, where the iconic chevron (V) bands create a geometric pattern with a strong visual impact. The main surface, cut and polished, reveals a microcosm of crystals and colors, transforming a geological fragment into an authentic natural sculpture. Direct observation of the specimen allows appreciation of the complex color scheme. Intense bands of dark violet amethyst, almost black in places, alternate with layers of milky white quartz and areas of more translucent milky quartz. This alternation is not random but follows a precise angular pattern that gives rise to the characteristic V motif. To further enrich the chromatic composition are the veining and blotches of reddish-brown color, attributable to hematite or goethite inclusions, that insinuate themselves between the quartz layers, creating a warm contrast with the cool tones of the violet. The outer edge has been left in its natural state, showcasing the rough and irregular surface of the original crystal mass. Mineralogically, Chevron Amethyst is a quartz variety that attests to a discontinuous growth process. It forms within fractures and cavities of the rock, where silica-rich hydrothermal fluids were deposited in successive stages. Variations in temperature, pressure, and chemical composition of the fluids produced the alternating growth of amethyst quartz (color derived from iron traces naturally irradiated in the subsurface) and white quartz. The orientation of the crystals during their growth along the cavity walls determines the formation of these fascinating V geometries, making each specimen unique. The generous size and aesthetic quality of this slice make it a piece of great interest both for the mineral collector and for interior design. Its slender shape and the richness of internal details qualify it as an display object, capable of drawing attention in any environment. Placed on a bookshelf, on a console, or in a professional studio, this specimen acts as a focal point of natural elegance. It is a perfect piece for a modern “Cabinet of Curiosities” or Wunderkammer, a dialogue between the marvels of nature and design taste. The custom base, included in the lot, ensures a stable and elegant presentation, ready to be admired.

Schätzpreis:€400

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