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File:Corundum-denv08-27b.jpg

Corundum-denv08-27b.jpg ‎(395 × 400 pixels, file size: 37 KB, MIME type: image/jpeg)

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Description
English: Corundum
Locality: Winza, Mpapwa, Mpapwa (Mpwampwa) District, Dodoma region, Tanzania (Locality at mindat.org)
Size: thumbnail, 1.8 x 1.3 x 1.1 cm
Corundum var. Ruby
This is a NEW RUBY MINE, and has been producing amazing bicolored red/purple rough for the gem trade recently but FEW crystals have been preserved. This matrix hosts a sharp, gemmy, intensely colored crystal of nearly 1 cm. It is obviously twinned, and REALLY is much more dramatic in person. In shifting lights, these change color and can show a bit of purple/blue color, even. I am told that normally even small examples of this material are cut for facet rough, and this specimen was one of the few collector-worthy pieces, saved from cutting by a good gem dealing friend of mine who throughtfully sold it to me based on carat weight - but hey, at least he didn't cut it before trying to preserve it!
Deutsch: Korund
Fundort: Winza, Mpapwa, Distrikt Mpapwa (Mpwampwa), Dodoma region, Tansania (Fundort bei mindat.org)
Größe: 1.8 x 1.3 x 1.1 cm
Date before March 2010
date QS:P,+2010-03-00T00:00:00Z/7,P1326,+2010-03-00T00:00:00Z/10
Source Image: http://www.irocks.com/db_pics/pics/denv08-27b.jpg, Description: http://www.irocks.com/render.html?species=Corundum&page=0
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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Rob Lavinsky, the copyright holder of this work, hereby publishes it under the following license:
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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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current01:37, 27 May 2010Thumbnail for version as of 01:37, 27 May 2010395 × 400 (37 KB)RKBot (talk | contribs)== {{int:filedesc}} == {{Information |Description= {{en|1=Corundum :: Locality: Winza, Mpapwa, Mpapwa (Mpwampwa) District, Dodoma region, Tanzania ([http://www.mindat.org/loc-189429.html Locality at mindat.org]) :: Size: thumbnai

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