Dyscrasite is a rare silver antimony mineral. Argubly the world's best crystals have come from the Uranium mine No. 21 in the Príbram District, but also complex replacement forms of Native Silver after Dyscrasite. Indeed, the mine is widely regarded as having produced the finest examples of this unusual pseudomorph anywhere in the world. This extremely rich small cabinet specimen is labelled as from Shaft No. 21, Háje, Príbram, but in reality Shaft No. 21 is Uranium mine No. 21. An absolutely superb Príbram specimen with great provenance too.
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