Image: Copper-Quartz-142201
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Description: Copper, Quartz Locality: Ontonagon County, Michigan, USA (Locality at mindat.org) Size: 15.5 x 8.9 x 3.5 cm. A large, strikingly sculptural, sharply crystallized specimen of natural Michigan copper. You can still see come of the quartz crystals it intergrew with, adding to the attractiveness. There are sharp, angular faces everywhere here - and the piece has a gorgeous "antique" patina to it.
Title: Copper-Quartz-142201
Credit: http://www.mindat.org/photo-142201.html
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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