A display piece of sphalerite, quartz and calcite from Trepca mine in Stan Terg, Mitovica, Kosovo. This specimen features a mass of sphalerite crystals coated with calcite and quartz crystals. This piece also shows minute inclusions of boulangerite and chalcopyrite. This has resulted in a specimen with a beautiful mass of partially octahedral sphalerite crystals accompanied by several different crystal habits and lustres. The piece weighs roughly 381 grams and measures approximately 8.5 x 7 x 4 cm, it is supplied in a 4" x 3" white card tray with an information label. This would be a brilliant addition to any mineral collection as the sample shows a spectacular collection of sphalerite crystals.