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File:Riebeckite-210685.jpg

Riebeckite-210685.jpg (445 × 600 pixels, file size: 76 KB, MIME type: image/jpeg)

Summary

Description
English: Riebeckite (Var.: Riebeckite)
Locality: Prieska District, Namaqualand, Northern Cape Province, South Africa (Locality at mindat.org)
Size: 7.6 x 3.9 x 2.8 cm.
Crocidolite is a form of riebeckite [Na2][Fe2+3Fe3+][(OH)2|Si8O22], which is easily apparent when you see the specimens densely-packed hair-like fibers. This variety is often called "blue asbestos" due to its deep blue-black color. This is an old-time piece from mining in South Africa. Fortunately, it was not used much commercially in the U.S., because it turned out to be perhaps the worst perpetrator of asbestos lung disease. Ex. Mullane Collection.
Deutsch: Riebeckit (Var.: Riebeckit)
Fundort: Distrikt Prieska, Namaqualand, Nordkap , Südafrika (Fundort bei mindat.org)
Größe: 7.6 x 3.9 x 2.8 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-210685.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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current23:36, 26 April 2010Thumbnail for version as of 23:36, 26 April 2010445 × 600 (76 KB)RKBot== {{int:filedesc}} == {{Information |Description= {{en|1=Riebeckite (Var.: Riebeckite) :: Locality: Prieska District, Namaqualand, Northern Cape Province, South Afric

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Quelle: http://en.wikipedia.org/wiki/File:Riebeckite-210685.jpg