Pyrite Cluster from Trepça Mines, Kosovo blue cubic fluorite Red brown vesuvianite crystals on

Red brown vesuvianite crystals on matrix

A natural smoky citrine Isis crystal is often cherished for its unique blend of grounding

The heulandite fans share the trimmed-out pocket of volcanic basalt rock with clear fluorapophyllite crystals on gray chalcedony

also may vary slightly

even if generally small

Pyrite Cluster from Trepça Mines, Kosovo blue cubic fluorite Red brown vesuvianite crystals onThis is a beautiful natural crystal cluster with cubic pyrite from the famous Trepa Mine complex in the Trepa Valley in Kosovo. Size: 95 x 68 x 48 mm. 594 grams. The history of the Trepa 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