20hhdd.is ((CHALCOPYRITE, QUARTZ,PYRITE, SPHALERITE)), $25 MINIMUM BID, Huanzala Mine, Huanuco, Peru, 4 x 3.5 x 2 cm, Miniatur | |
Very large single Chalcopyrite with a dark grey coating. Lustrous Pyrite and lustrous Sphalerite and terminated Quartz. ex Glenn Davidson collection. |