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Cristobalite-Fayalite-40048.jpg (600 × 516 pixels, file size: 74 KB, MIME type: image/jpeg)

Summary

Description
العربية: كريستوباليت
English: Cristobalite, Fayalite
Locality: Canyon Butte occurrence (Couger Butte), Canyon Butte, Siskiyou County, California, USA (Locality at mindat.org)
Obsidian (volcanic glass) cools too quickly to crystallize. Thus, it is unusual to see minerals attached. The spheres of high temperature cristobalite (SiO2) are actually the result of devitrification, or loss of silica from the obsidian. Most unusual. 5.9 x 3.8 x 3.8 cm
Deutsch: Cristobalit, Fayalit
Fundort: Canyon Butte occurrence (Couger Butte), Canyon Butte, Siskiyou County, Kalifornien, Vereinigte Staaten (Fundort bei mindat.org)
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-40048.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

Licensing

Rob Lavinsky, the copyright holder of this work, hereby publishes it under the following license:
w:en:Creative Commons
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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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Date/TimeThumbnailDimensionsUserComment
current13:18, 25 April 2010Thumbnail for version as of 13:18, 25 April 2010600 × 516 (74 KB)RKBot== {{int:filedesc}} == {{Information |Description= {{en|1=Cristobalite, Fayalite :: Locality: Canyon Butte occurrence (Couger Butte), Canyon Butte, Siskiyou County, [[:en:Ca

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