Trepca pyrrhotite specimens are an essential world classic in any collection. This sample shows various crystal aggregates forming a larger crystal with a hexagonal forms, barrel-shaped, very bright and with the characteristic metallic tone. It is accompanied by quartz, botryoidal calcite aggregates and sphalerite crystals. A classic from this Kosovar mine. The main crystal is: 3,1 X 2,8 X 2,6 cm. 1,22 x 1,10 x 1,02 Inc.