File:Molybdenite-Pyrite-240029.jpg

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Summary

Description
English: Molybdenite, Pyrite
Locality: Rico Argentine Mine, Silver Creek, Rico District (Pioneer District), Dolores County, Colorado, USA (Locality at mindat.org)
Size: 10.2 x 9.5 x 4.0 cm.
Bravoite was the name given to an uncommon nickeloan variety of pyrite and this showy, old-time, Colorado cabinet specimen is from a very uncommon locale - the Rico Argentine Mine at Rico. A thin coating of brassy bravoite covers the lustrous, elongated, tabular, modified pyrite crystals on this very showy piece. Ex. Jaime Bird Collection, whose card indicates that he purchased the piece in 1962. For some time, these specimens were labeled as being pyrite coated by "Bravoite". This is completely incorrect, as analysis done by Dr. Pete Modreski at the USGS in Denver, showed that the thin grey coating or "film" on these pyrite crystals is actually a micro layer of molybdenite. Please refer to the post on the following link: http://www.mineral-forum.com/message-board/viewtopic.php?t=360. This specimen is a prime example of this material showing excellent form and virtually no damage.
Deutsch: Molybdänit, Pyrit
Fundort: Rico Argentine Mine, Silver Creek, Rico District (Pioneer District), Dolores County, Colorado, Vereinigte Staaten (Fundort bei mindat.org)
Größe: 10.2 x 9.5 x 4.0 cm.
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-240029.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 Edit this at Wikidata
Authority file
creator QS:P170,Q56247090

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Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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current03:34, 27 April 2010Thumbnail for version as of 03:34, 27 April 2010750 × 722 (159 KB)RKBot== {{int:filedesc}} == {{Information |Description= {{en|1=Molybdenite, Pyrite :: Locality: Rico Argentine Mine, Silver Creek, Rico District (Pioneer District), [[:en:Dolores County, Colorado|

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