Cassiterite on matrix Augelite Better quality than the photos

Better quality than the photos indicate

Specimen # BOL711B133

intergrown spherical aggregates (comprised of dozens of triangular bladed crystals) of Childrenite

which is virtually impossible to find at Viloco

well-formed cyclic twinned crystal group sits atop tan compressed rhomobohedra of Siderite to create a beautiful “black and tan” association piece

Cassiterite on matrix Augelite Better quality than the photosThe Viloco Mine (sometimes called Araca) for many years has stood as one of the top Cassiterite localities in the world. This mine is still active today and bears the unique distinction of producing the only GEM quality (facet grade) Cassiterites from any mine in Bolivia. Considering the millions of tons of tin ore that Bolivia has yielded, the fact that only one mine ever produced transparent Cassiterite is remarkable. This piece features several