Bournonite    Yaogangxian Mine, Biai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.  This specimen is a beautiful piece composed of a pair of blocky, double terminated crystals which interlock forming an appealing TN specimen measuring 2.2 x 2 x 1.3 cm.  The crystals measure 2.2 and 1.8 cm each.  The prism faces range from mirror smooth to somewhat fibrous on their surfaces.  The terminations are similar.  The piece stands and displays several different ways.  Nice luster and ZERO damage.  It is unusual to find a floater this clean from this noteworthy locality.  Impressive!  295$