Yellow Sulfur Crystal Formation on Wood and Brass Base...

Crystallized sulfur from Bolivia — This lot presents an extraordinary formation of native sulfur from Bolivia, one of the most celebrated sources for high-quality specimens. The sample, of notable size, is mounted on an elegant custom base in black wood and brass that enhances its sculptural character and makes it a perfect display piece. The feature that immediately draws the eye is the incredible intensity of its canary yellow color, a pure and vibrant shade that covers the entire visible surface with a myriad of glittering microcrystals. Upon closer inspection, the mineral surface reveals itself as a dense, compact carpet of crystals. Despite its modest size, each individual crystal shows good definition and a luster ranging from resinous to adamantine, reflecting light in countless points and creating a lively glittering effect. The overall structure is massive and powerful, with a three-dimensional volume that gives the piece a strong physical presence. Along the edges and on the back one can appreciate the rock matrix on which the sulfur was deposited, creating a pleasant material and color contrast. The genesis of specimens like this is linked to fascinating geological processes, in particular volcanic activity. Native sulfur commonly forms by sublimation, i.e., the direct transition from gas to solid. In volcanic areas like the Andes Cordillera in Bolivia, sulfur-rich gases (fumaroles) rise from ground fractures and, when in contact with the cooler atmosphere, deposit elemental sulfur in crystal form. This process gave rise to this spectacular crystalline crust, a true testament to Earth's energy. For its striking aesthetics and interesting origin, sulfur is a classic indispensable in any noteworthy mineralogical collection. This specimen, in particular, stands out for its cabinet-sized dimensions and the quality of crystallization. In addition to its scientific value, it represents an exceptional decorative element, capable of bringing a bold color accent and a natural form to any environment. It is an ideal piece for a contemporary Wunderkammer, perfect to adorn a study, a library, or a gallery, where it can be admired as a true natural sculpture. Technical details Name: Sulfur Classification: Native Element Origin: Bolivia Locality or mine: Potosi Region Dimensions: 214 x 134 x 74 mm (specimen) Weight: 1866 g (specimen) Base: Included, wood and brass Conditions: Natural

Schätzpreis:€525

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