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Image: Copper-dtn17b

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Description: Copper Locality: Adventure mine, Greenland, Ontonagon County, Michigan, USA (Locality at mindat.org) Size: thumbnail, 1.5 x 1.4 x 1.3 cm Copper This is a magnificent thumbnail of copper on drusy quartz from the Upper Peninsula of Michigan. The patina of the copper crystals, which reach 1.0 cm, is unusually brassy, with good luster. They are nestled snugly in a blanket of quartz - very aesthetic and unique arrangement! ex. John Saul Collection
Title: Copper-dtn17b
Credit: Image: http://www.irocks.com/db_pics/pics/dtn17b.jpg, Description: http://www.irocks.com/render.html?species=Copper&page=5
Author: Rob Lavinsky / iRocks.com
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes

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