Kosovo Rhodochrosite Crystal Cluster with Arsenopyrite from Trepca Mines pendants Grape agate from Indonesia

Grape agate from Indonesia

Crystal Structure: Hexagonal (carbon-based atomic arrangement)

Tenebrescence is not intrinsic to the material but is induced by irradiation with X-rays or other forms of energy

and the size is 63 x 56 x 35 mm

Size: 93 x 85 x 40 mm

Kosovo Rhodochrosite Crystal Cluster with Arsenopyrite from Trepca Mines pendants Grape agate from IndonesiaThis is a beautiful rhodochrosite & arsenopyrite cluster is from the famous Trepca Mine complex in the Trepca Valley in Kosovo. 58 x 45 x 25 mm. 96 grams. The history of the Trepca Mines traces back the Middle Ages. Modern operations began with the establishment of Trepca Mining and Metallurgical Complex in the 1920s. After World War II, the communist government nationalized all privately held companies in Yugoslavia, including Trepca, and turned them