Dyscrasite (old - Type Locality) Robertson Coll.

Item Description

This ancient and extinct silver mine, where mining started in the 1300s is the Type Locality from dyscrasite. The heyday was in the early 1800s! A 2.7 cm sculptural field of lustrous intergrown metallic-gray crystals is aesthetically set on the calcite matrix plate covered with tiny calcite crystals. Ex Kay Robertson Collection # 13107. Kay is a prominent California collector, who specialized in European classics (see the article in the March-April, 2007 Mineralogical Record and the 50+ page article in the German Magazine "Mineralien Welt" November-December 2017). Classic, excellent OLD-TIME seldom available dyscrasite from the Type Locality.