7900 7atkmr.nr ((TENNANTITE pseudomorph after CHALCOCITE)), $35 MINIMUM BID, Tsumeb, Namibia, 5 x 3.5 x 3.5 cm, Miniature | |
Tsumeb specimen with crystals of Tennantite pseudomorph after Chalcocite. Sometimes these are also thought to be after Azurite. |