| 21df337 ((COPPER)), $16 MINIMUM BID, Bingham Canyon Mine, Bingham Mining District, Oquirrh Mountains, Salt Lake Co., Utah, 2.5 x 2 x .2 cm, Thumbnail | |
_small.jpg) | Copper specimens are not plentiful at this Copper mine. Mostly ore from Chalcoprite and Bornite and microscopic copper. Native Copper specimens, unlike Michigan, are uncommon. This specimen was acquired in 1985 long before the more recent find in about 2010. ex Don Fratto collection. |
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