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Brahegatan 10
BOX 5038
114 37 Stockholm
All auctions / Ethnographical / Yellow Sulfur Crystal Formation on Wood and Brass Base...
Crystallized sulfur from Bolivia — This lot features an extraordinary formation of native sulfur from Bolivia, one of the most renowned sources for high-quality specimens. The sample, of considerable size, is mounted on an elegant customized black wood and brass base that enhances its sculptural character and makes it a perfect display piece. The feature that immediately catches the eye is the incredible intensity of its canary yellow color, a pure and vibrant hue that coats the entire visible surface with a myriad of sparkling microcrystals. Upon closer inspection, the mineral's surface reveals itself as a dense, compact carpet of crystals. Despite its small size, every single crystal shows good definition and a luster ranging from resinous to adamantine, reflecting light in countless points and creating a vibrant sparkling 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 host rock matrix on which the sulfur was deposited, creating a pleasing textural and chromatic contrast. The genesis of specimens like this is tied to fascinating geological processes, particularly volcanic activity. Native sulfur forms commonly through sublimation, i.e., the direct transition from gas to solid. In volcanic areas like the Andes Cordillera in Bolivia, sulfur-rich gases (fumaroles) emerge from ground fractures and, upon contact with cooler air, deposit elemental sulfur in crystal form. This process gave rise to this spectacular crystalline crust, a genuine testament to Earth's energy. For its striking aesthetics and interesting origin, sulfur is a classic must-have in any prominent mineral collection. This specimen, in particular, stands out for its cabinet-size dimensions and the quality of crystallization. In addition to its scientific value, it represents an exceptional decorative element, capable of bringing a bold splash of color 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 Provenance: Bolivia Locality or Mine: Potosi Region Dimensions: 214 x 134 x 74 mm (specimen) Weight: 1866 g (specimen) Base: Included, in wood and brass Conditions: Natural
Estimate:£445.32
To the auctionView all items fromCatawikiorEthnographical
Estimate:
£445.32
OCT 17 | 10:00 PM
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