| dr79 ((Hexagonal COPPER)), $5 MINIMUM BID, Kennecott Mine, Ray, Arizona, 2 x 1 x 1 cm, Thumbnail | |
 | Appears to result from cyclic twinning around the 3-fold axis. Purchased by Dave Richerson about 1975 from Suzy Davis Minerals in Tucson, AZ. Sample is 2x1x1 cm. |
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