Amethyst Crystal with a Vivid Purple Termination Crystal...

atural Mineral Formation - Deep Purple Color — This lot features an imposing Amethyst crystal from Brazil, a specimen notable for its remarkable size and extraordinary color intensity concentrated at its termination. The crystal presents itself to the eye in its full natural integrity, a true geological sculpture that expresses the power of crystallization processes. Its slender form and the purity of its apex make it a piece of great visual impact and high mineralogical interest. Close observation reveals a fascinating complexity. The apex of the crystal is dominated by a deep, almost regal violet, which encloses inside a clear “ghost” zoning. This feature testifies to the different growth phases of the crystal, with a first apex that seems to almost float within the broader, more transparent structure. The faces of the termination are well defined and glossy, reflecting light and enhancing the depth of color. Descending along the body of the crystal, the violet gradually fades into a more translucent, almost milky quartz, showing the rough texture and growth lines typical of its formation. This Amethyst specimen, a precious variety of quartz (silicon dioxide), owes its iconic coloration to the presence of trace iron in its crystal structure, activated by natural irradiation over millions of years. Crystals of this quality typically form inside cavities or geodes in volcanic rocks, where silica-rich hydrothermal solutions slowly deposit the mineral layer by layer. The phenomenon of the “ghost” visible at the apex is a valuable geological imprint: it indicates a pause in the growth process, during which a thin layer of minerals or impurities was deposited on the crystal surface, only to be incorporated by the subsequent resumption of crystallization. For a mineral collector, this piece represents a highly valuable acquisition. The combination of substantial size, a well-formed termination, and the presence of such an evident ghost places it among high-quality specimens. Beyond its scientific and collecting value, this crystal possesses undeniable aesthetic power. It is a decorative element of great character, capable of becoming the focal point of a space, whether a professional studio, a library, or a modern living room. Its sculptural form and geological history make it a perfect object for a contemporary Wunderkammer.

Estimation:€200

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