Feather like calcite crystals

One amazing rare specimen of splited calcite „feather (flame)“ like crystals, developed on calcite base. Crystals are very delicate with size to 2-2,5 cm and in the top thinner parts are transparent, with some irridiscelts. Size 85 x 58 x 54 mm – weight 166 grams. Giudurska mine, Erma reka, Rhodope mountains, Zlatograd area, Bulgaria