7fbbmlr-34 ((BOURNONITE, SIDERITE)), $75 MINIMUM BID, Machacamarca Mine, near Colavi, Potosi Department, Bolivia, 5.5 x 5 x 2.5 cm, Cabinet, | |
Undamaged large Bournonite with an undamaged large Siderite on one side. Bournonite has sort of a flat black finish. |