| 20hhgd.is ((SPHALERITE, CALCITE, CHALCOPYRITE)), $25 MINIMUM BID, Casapalca Mine, Lima Department, Peru, 12 x 9 x 3 cm, Cabinet | |
_small.jpg) | A plate of large Sphalerite crystals covered with Chalcopyrite crystals oriented in one direction. When the like hits a the correct angle all Chalcopyrite crystals shine at once looking like gold. There is also a large cluster of Manganoan Calcite with some other small spherical clusters scattered about the specimen. ex Glenn Davidson collection |
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