File:Ferberite-266887.jpg

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Ferberite-266887.jpg (497 × 432 pixels, file size: 76 KB, MIME type: image/jpeg)

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Description
English: Ferberite
Locality: Tazna Mine (Tasna Mine; Tazna-Rosario Mine), Cerro Tazna, Atocha-Quechisla District, Nor Chichas Province, Potosí Department, Bolivia (Locality at mindat.org)
Size: 5.0 x 3.8 x 3.3 cm.
A very unusual and completely unique, stacked/layered, multi-twinned crystal of Ferberite from the renowned Tazna mine in southern Bolivia. The piece was mined at the beginning of 2008, which is encouraging because I have seen very little in the way of Ferberites from this mine in recent years. This piece features the classic, "butterfly" twinning of Ferberite along the a (100) face. It is a superb, sharp, lustrous, jet-black twinned crystal with several smaller secondary crystals running parallel to the main twinned crystal. It has an attractive form, and is a wonderful example of how bizarre the twins from this mine can get. Twinned crystals from Bolivia are becoming increasingly difficult to obtain in recent years as the price of Tungsten ore has driven the miners to throw nearly all the Ferberite into the crusher, causing thousands of specimens to be lost forever.
Deutsch: Ferberit
Fundort: Tazna Mine (Tasna Mine; Tazna-Rosario Mine), Cerro Tazna, Distrikt Atocha-Quechisla, Nor Chichas, Potosí , Bolivien (Fundort bei mindat.org)
Größe: 5.0 x 3.8 x 3.3 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-266887.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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Rob Lavinsky, the copyright holder of this work, hereby publishes it under the following license:
w:en:Creative Commons
attribution share alike
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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current08:04, 27 April 2010Thumbnail for version as of 08:04, 27 April 2010497 × 432 (76 KB)RKBot (talk | contribs)== {{int:filedesc}} == {{Information |Description= {{en|1=Ferberite :: Locality: Tazna Mine (Tasna Mine; Tazna-Rosario Mine), Cerro Tazna, Atocha-Quechisla District, Nor Chichas Province, [[:en:Potos�

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