Aesthetic specimen of big and sharp crystals of very rare silver mineral - allargantum. Crystals are standing up from calcite, from which theyw ere etched. Probably allargentum together with kongsbergite is pseudomorphosing dyscrasite crystals. Information about our articles describing for the first time this great world class find you can find here and here. Good for species.

Discounted from original price – 300$!