Ferberite Yaogangxian Mine, Yizhang Co., Chenzhou Pref., ...
Description: Ferberite Yaogangxian Mine, Yizhang Co., Chenzhou Pref., Hunan Province, China 5.1 x 7.6 cm. Striated black ferberite crystals in parallel growth associated with pale purple fluorite cubes to 1.7 cm.