Sphalerite, Chalcopyrite, Calcite and Quartz on matrix from Madan, Bulgaria
A nice quality specimen from the Madan area of Bulgaria, showing some exceptionally formed Sphalerite crystals, and one particularly nice Calcite crystal at the end. These crystals sit on a bed filled to the brim with mini Pyrite cubes.
Bulgarian minerals are gaining in popularity worldwide due to their quality – most pieces are kept largely damage free during extraction.
This piece has some exceptionally well formed crystals, making it a great addition to any collection. It measures 93x61x40MM and weighs around 280 grams.