Ferberite, Quartz
Tazna Mine (Tasna Mine; Tazna-Rosario Mine), Cerro Tazna, Atocha-Quechisla District, Nor Chichas Province, Potosi Department, Bolivia
Small Cabinet, 5.5 x 3.9 x 2.6 cm
The piece features rather large, sharp, lustrous, aesthetic, jet-black, tabular crystals of Ferberite with thin gem quality prismatic Quartz crystals on minor matrix. This piece is from the famous find in 2005.