A huge size specimen formed by a rich group of hübnerite crystals showing parallel growth and striated faces. With a deep black color and very aerial disposed. Accompanied by quartz. THE MAIN CRYSTAL IS: 9.1 x 3 x 1.7 cm.

ORIGIN: YAOGANGXIAN MINE, YAOGANGXIAN W-SN ORE FIELD, YIZHANG CO., CHENZHOU, HUNAN, CHINA

DIMENSIONS: 12.4x9x4.4