Bertrandite Dolomite This piece was collected in

This piece was collected in the late 1970s – early 1980s and remained in a private collection for decades

If you’re a collector of Cassiterites or Bolivian minerals

as a species

Specimen # TITANITE122101

Item # AMETBOL295

Bertrandite Dolomite This piece was collected inBetrandite is a fairly rare beryllium silicate, and crystals are typically small worldwide, usually less than 1 cm. These new specimens from Golconda feature crystals measuring OVER 3 cm(!) which is world class for the species. Not only are these monstrous crystals, but the quality is as good as it gets, showing a glossy vitreous luster and a gorgeous porcelain white hue. This particular piece features a few top quality, highly lustrous, layered