YAOGANGXIAN MINE, YAOGANGXIAN W-SN ORE FIELD, YIZHANG CO., CHENZHOU, HUNAN, CHINA
Dimensions: 4.9 X 3.6 X 2.1 cm.
Group of defined ferberite crystals showing parallel growth, visible terminal faces and deep black color. They are accompanied by groups of cubic fluorite crystals with violet tones and acceptable transparence, along with very sharp arsenopyrite crystals and topped with brilliant quartz crystals. THE MAIN CRYSTAL IS: 3.7 x 1.1 x 1 cm.