Topaz

specimen number:
8911025

location:
Xanda Mine, Virgem da Lapa, Minas Gerais, Brazil

description:
Classic Brazilian gem crystal specimen, this a loose blue glassy crystal of topaz without matrix. Naturally crystallized on the base, this is in excellent condition. This weighs 48.29 g.

Located within the prolific granite pegmatite field of Virgem da Lapa in Minas Gerais, Brazil, the Xanda Mine is world-renowned for producing some of the finest gem-quality topaz specimens ever discovered. The geology of the region consists of complex pegmatite dikes that intruded into older metamorphic rocks, where late-stage hydrothermal fluids rich in volatiles created localized cavities conducive to crystal growth. Artisanal mining and targeted specimen recovery operations in this pegmatite district have yielded remarkable, water-clear crystals ranging from colorless and sherry hues to stunning ice-blue shades, frequently characterized by high glassiness, sharp terminations, and unique natural etching along their prism faces.

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