File:Andalusite-pas-135c.jpg

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Andalusite-pas-135c.jpg ‎(400 × 318 pixels, file size: 31 KB, MIME type: image/jpeg)

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Summary

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Description
English: Andalusite
Locality: Lancaster, Worcester Co., Massachusetts
ex. Philadelphia Academy of Natural Sciences
So-called Chiastolite (a species name discredited some time ago) is a variety of Andalusite containg cross-shaped inclusions of carbon that make the crystals VERY distinct, for obvious reasons. Somebody went to a lot of trouble and time to make this attractive reference set of thin-sections, cut from the cores of over a dozen crystals. The set was obviously made up to shwo the different patterns possible within, perhaps to better study their formation. Shown in normal light and, dramatically, in backlit lighting.
Date before April 2010
date QS:P,+2010-04-00T00:00:00Z/7,P1326,+2010-04-00T00:00:00Z/10
Source http://www.irocks.com/db_pics/pics/pas-135c.jpg
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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Date/TimeThumbnailDimensionsUserComment
current12:13, 27 May 2010Thumbnail for version as of 12:13, 27 May 2010400 × 318 (31 KB)RKBot (talk | contribs)== {{int:filedesc}} == {{Information |Description= {{en|1=Andalusite :: Locality: Lancaster, Worcester County, Massachusetts, USA ([http://www.mindat.org/loc-22423.html Locality at mindat.
06:13, 12 April 2010Thumbnail for version as of 06:13, 12 April 2010400 × 318 (31 KB)Simong (talk | contribs){{Information |Description={{en|1=Andalusite :: Locality: Lancaster, Worcester Co., Massachusetts :: ex. Philadelphia Academy of Natural Sciences :: So-called Chiastolite (a species name discredited some time ago) is a variety of And

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