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File:Chalcocite-Covellite-09edd155ja.jpg

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Description
English: Chalcocite, Covellite
Locality: Butte, Butte District, Silver Bow County, Montana, USA (Locality at mindat.org)
Size: small cabinet, 8.0 x 6.3 x 3.6 cm
Chalcocite pseudo. after Covellite
An amazingly sculptural cluster of fine, large crystals of covellite that have been completely replaced by lustrous, jet black chalcocite. This is a major Butte specimen of some importance, just for the size alone. However, given the good aesthetics and nearly pristine condition, it is also a fine display quality specimen by any standard aside from the historical significance of the piece for the locale. It was in the Gerald Herfurth collection for 40 years, prior to Ed's purchase of it. Herfurth acquired it in 1958 from Pohndorf, a noted Colorado dealer and collector of the time. Verbally, it was said that this was found in 1883 and this was noted on Herfurth's card label. We know it is old, certainly, but if it really is that old, this is even more a piece of import. Ex. Dr. Edward David, Gerald Herfurth, and August Pohndorf Collections.
Deutsch: Chalkosin, Covellin
Fundort: Härtling, Butte District, Silver Bow County, Montana, Vereinigte Staaten (Fundort bei mindat.org)
Größe: 8.0 x 6.3 x 3.6 cm
Date before March 2010
date QS:P,+2010-03-00T00:00:00Z/7,P1326,+2010-03-00T00:00:00Z/10
Source Image: http://www.irocks.com/db_pics/pics/09edd155ja.jpg, Description: http://www.mindat.org/photo-256762.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:
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Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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