File:Zoisite-284723.jpg

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Zoisite-284723.jpg ‎(252 × 600 pixels, file size: 22 KB, MIME type: image/jpeg)

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Description
English: Zoisite (Var.: Tanzanite)
Locality: Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania (Locality at mindat.org)
Size: 3.6 x 1.0 x 0.9 cm.
This strongly dichroic tanzanite crystal is 47 carats (about 9.5 grams). It looks blue from one side, purple from the other - rotating 90 degrees to change colors. Of course, this is a product of heat treating to enhance this dichroism (commonly done for this material at the source), but this is considered acceptable in tanzanite crystals because of the obvious and interesting result. It has the obviously desirable qualities of intense color (and color change), great luster, sharp equant form, a superb termination, and excellent gemminess in particular atop. In person, the purple comes through much better than in photos.
Deutsch: Zoisit (Var.: Tansanit)
Fundort: Merelani Hills (Mererani), Lelatema Mts, Arusha , Tansania (Fundort bei mindat.org)
Größe: 3.6 x 1.0 x 0.9 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-284723.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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Licensing[edit]

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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current10:08, 27 April 2010Thumbnail for version as of 10:08, 27 April 2010252 × 600 (22 KB)RKBot (talk | contribs)== {{int:filedesc}} == {{Information |Description= {{en|1=Zoisite (Var.: Tanzanite) :: Locality: Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania ([http://www.mindat.org/loc-5

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