| 20hhgd.is ((CALCITE, COPPER Inclusions)), Phila. Academy #7333, $75 MINIMUM BID, Attributed to Quincy Mine, Houghton County, Michigan, 14 x 13 x 10 cm, Large Cabinet | |
_small.jpg) | Large complete Calcite crystal from the Phila. Academy of Science collection with their number painted on the specimen. No Academy label. I sold this to Glenn and now got it back in his collection purchase. Not the most beautiful specimen. All the copper protruding from the specimen is oxidized to a green color. One area shows the copper colored Copper that is included withing the Calcite. No Damage and excellent old time specimen from Michigan. ex Glenn Davidson collection. ex Lehigh Minerals specimen. |
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