File:Vivianite-d06-225b.jpg

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Vivianite-d06-225b.jpg (309 × 400 pixels, file size: 38 KB, MIME type: image/jpeg)

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Summary

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Description
English: Vivianite
Locality: Tomokoni mine, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosí Department, Bolivia (Locality at mindat.org)
Size: small cabinet, 11 x 9 x 6 cm
Vivianite
This majestic specimen is one of the very finest pieces to come from this find of 2003. It came out of "back channels" and was not associated with the relatively large quantity of the material which came out in Tucson earlier that year. I had bought this vivianite from 4 different sources and seen the material from another two (apparently it was quite the vivianite party down there), but have not seen another of anything near its equal to date. It consists of a beautiful pair of lustrous and glassy crystals that cross very dramatically on matrix. The upright crystal is GEM-CLEAR and transparent, measuring in at 4 cm tall and 2 cm wide by 1.75 cm deep. The doubly-terminated crystal crossing it at the base is a full 9 cm tip to tip. It is, again, DOUBLY-terminated and pristine on the front. It has some contacts to matrix on the back ends of each termination, but that is not damage per se and certainly does not detract from the front view. Note how the cluster is perched SECURELY on well-trimmed limonite matrix. Unlike pyrite-affiliated matrix specimens from previous finds at other locales, this material is stable because the matrix has no traces of the pyrite that is somehow responsible for the gradual decomposition of the matrix (in those vivianite pieces from other localities).
Deutsch: Vivianit
Fundort: Tomokoni mine, Machacamarca District (Colavi District), Cornelio Saavedra, Potosí , Bolivien (Fundort bei mindat.org)
Größe: 11 x 9 x 6 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/d06-225b.jpg, Description: http://www.irocks.com/render.html?species=Vivianite&page=3
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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Licensing

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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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current01:24, 27 May 2010Thumbnail for version as of 01:24, 27 May 2010309 × 400 (38 KB)RKBot (talk | contribs)== {{int:filedesc}} == {{Information |Description= {{en|1=Vivianite :: Locality: Tomokoni mine, Machacamarca District (Colavi District), Cornelio Saavedra Province, [[:en:Potosí Department|Poto

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