| 7hlkmr ((COPPER in SERPENTINE)), $10 MINIMUM BID, Greenstone Quarry, Adams County, Pennsylvania, 6 x 5 x 3 cm, Miniature | |
 | Here is a Pennsylvania locality for Copper. Copper east of the Mississippi River is an uncommon occurrance. This locality was Quarried for the Serpentine aka greenstone for use in making shingles and other industrail uses. Here the Copper is in the Greenstone. Many times the Copper also comes with associated Quartz and Calcite. |
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