BLP36 Siderite, Bournonite
Viboras Mine, Machacamarca Dist., Saavedra Prov., Potos� Dept., Bolivia
3.3x 3.3x 3.0 cm
A nice miniature specimen, with a perfect steel gray bournonite cogwheel on matrix.
Before the recent finds at Yaogangxian, Bolivian bournonites were considered to be among the world"s best.
