Cassiterite Crystal, Xuebaoding, China

Cassiterite shines in this exquisite natural specimen from Xuebaoding Mountain, Pingwu, Sichuan, China. Perfect for discerning collectors seeking unique and premium mineral pieces to enhance their collection.

This specimen features well-formed Cassiterite crystals exhibiting the tetragonal crystal system, characterized by their sharp, angular edges and distinct geometric shapes. The crystals display a bright, metallic luster that reflects light beautifully, highlighting their deep brown to nearly black coloration. Cassiterite, chemically defined as SnO₂, is known for its relatively high hardness of 6 to 7 on the Mohs scale, making it a durable addition to any mineral cabinet.

The Xuebaoding region is renowned among mineralogists for producing high-quality Cassiterite specimens, often sought after due to their clarity and well-preserved crystal habits. This locality in Sichuan, China, has a rich geological history that contributes to the exceptional formation of SnO₂ crystals, making pieces from this area especially valued by collectors. The specimen’s natural crystal form and metallic sheen exemplify the classic characteristics of Cassiterite from this notable Chinese mine.

As a collector’s gem, this piece offers both aesthetic appeal and geological significance, making it a noteworthy addition to any mineral collection focused on Chinese minerals or tin ore minerals. To preserve its luster and structural integrity, it is advisable to handle the specimen carefully and avoid prolonged exposure to moisture or harsh chemicals.

Xuebaoding, Mt Pingwu, Sichuan, China — source of cassiterite, scheelite, and beryl on muscovite matrix.