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File:Corundum-winza-22b.jpg

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Description
English: Corundum
Locality: Winza, Mpapwa, Mpapwa (Mpwampwa) District, Dodoma region, Tanzania (Locality at mindat.org)
Size: thumbnail, 3.1 x 2.4 x 2.0 cm
SAPPHIRE/RUBY
This specimen is almost entirely a single large, lustrous and translucent, bicolored sapphire/ruby crystal, measuring 3.1 cm across and 2.4 cm in length. Massive, gemmy ruby serves as the matrix , of which a bit is attached to the backside. Minor contact is present on the back side where it was attached to more matrix, now removed. The termination, however, is startlingly complete and the crystal is otherwise complete on the front and both sides. This is one of the largest sharp, undamaged crystals I have seen and the zoning is particularly attractive due to the rich color contrasts. There is probably not a lot of gem value here (except for cabochons), but the sheer size of the crystal and the colorful beauty of the crystal as a specimen is certainly notable. 138 carats
Deutsch: Korund
Fundort: Winza, Mpapwa, Distrikt Mpapwa (Mpwampwa), Dodoma region, Tansania (Fundort bei mindat.org)
Größe: 3.1 x 2.4 x 2.0 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/winza-22b.jpg, Description: http://www.irocks.com/render.html?species=Corundum&page=16
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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Rob Lavinsky, the copyright holder of this work, hereby publishes it under the following license:
w:en:Creative Commons
attribution share alike
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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current12:18, 28 May 2010Thumbnail for version as of 12:18, 28 May 2010800 × 781 (94 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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