File:Copper-20852.jpg

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Description
English: Copper
Locality: Quincy Mine, Hancock, Houghton County, Michigan, USA (Locality at mindat.org)
This is a VERY large and dramatic specimen of one of the great US classics: copper in and on calcite crystals from the old copper districts of the Upper Peninsula. It has real presence and a deep color to it that, combined with the aesthetics of how it has been trimmed for display, really pack a punch and give you a lot of value for your money in one of these (in my opinion, anyhow!). The crystal measures a full 3 INCHES in height, is symmetrically formed, and is complete all around except for a small bit of contact in the lower rear face and a few very trivial spots of cleavage at some of the faces to the periphery. The crystal is anchored firmly to, and in fact enveloping the top of, the matrix. Interestingly, bits of leaf copper actually STICK OUT OF this crystal, and are not simply confined as usual to hanging out internally! A MAJOR specimen! Comes with custom-made lucite display base. The Cranbrook label with the Pollard donation is key here. Captain Joseph Pollard was active in the Keweenaw in the 19th century, having arrived from Cornwall in 1858. He worked from 1860-1910 at Clumet and Hecla. The collection remained intact and on display in the family home for over 70 years, until his grandsons Dan and Dean Pollard donated his collection to Cranbrook on July 12, 1984, in memory of their grandfather. 10.5 x 8.3 x 4 cm
Deutsch: Kupfer
Fundort: Quincy Mine, Hancock, Houghton County, Michigan, Vereinigte Staaten (Fundort bei mindat.org)
Date before March 2010
date QS:P,+2010-03-00T00:00:00Z/7,P1326,+2010-03-00T00:00:00Z/10
Source http://www.mindat.org/photo-20852.html
Author
Robert M. Lavinsky  (1972–)  wikidata:Q56247090
 
Alternative names
Robert Matthew Lavinsky; Lavinsky, Robert M.; Lavinsky R M
Description American mineral collector and mineral dealer
iRocks.com (Mineralogical Record)
Date of birth 13 December 1972 Edit this at Wikidata
Location of birth Columbus
Authority file
creator QS:P170,Q56247090

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Rob Lavinsky, the copyright holder of this work, hereby publishes it under the following license:
w:en:Creative Commons
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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current21:41, 24 April 2010Thumbnail for version as of 21:41, 24 April 2010312 × 400 (25 KB)RKBot (talk | contribs)== {{int:filedesc}} == {{Information |Description= {{en|Copper :: Locality: Quincy Mine, Hancock, Houghton County, Michigan, USA ([http://www.min

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