File:Polybasite-Calcite-Stephanite-197430.jpg

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Polybasite-Calcite-Stephanite-197430.jpg ‎(400 × 242 pixels, file size: 46 KB, MIME type: image/jpeg)

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Description
English: Polybasite, Calcite, Stephanite
Locality: Fresnillo de Gonzalez Echeverria (Fresnillo), Municipio de Fresnillo, Zacatecas, Mexico (Locality at mindat.org)
Size: 8.8 x 4.4 x 2.7 cm.
A major specimen of Mexican silver species, with sharp polybasite crystals that are literally the size and aspect of Swiss hematites. Apparently the piece turned up at a small show, having come directly from a miner in Mexico up to the show and missing the normal channels such major pieces often get funneled into. The calcite is a wonderful accent, and I cannot ever recall seeing another Mexican specimen of polybasite with such sheer, amazing contrast. The sparkling drusy calcite highlights the metallic, lustrous blades so nicely. Small barrel-like stephanites are in association as well (on the back) according to Dr. Terry Wallace who examined the specimen for me at the Denver show. He confirmed for me that the piece came from this small shaft adjoining two slightly different deposits, an aberration which is the reason why you have the calcite and the polybasite in the same place at the same time…normally not seen. This is an important Mexican specimen, and an important silver species specimen.
Deutsch: Polybasit, Calcit, Stephanit
Fundort: Fresnillo de Gonzalez Echeverria (Fresnillo), Municipio de Fresnillo, Zacatecas , Mexiko (Fundort bei mindat.org)
Größe: 8.8 x 4.4 x 2.7 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-197430.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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Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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current21:34, 26 April 2010Thumbnail for version as of 21:34, 26 April 2010400 × 242 (46 KB)RKBot (talk | contribs)== {{int:filedesc}} == {{Information |Description= {{en|1=Polybasite, Calcite, Stephanite :: Locality: Fresnillo de Gonzalez Echeverria (Fresnillo), Municipio de Fresnillo, [[:en:Zacatecas|Zaca

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