File:Monazite-(Ce)-Quartz-287936.jpg

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Description
English: Monazite-(Ce), Quartz
Locality: Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, Rafael Bustillo Province, Potosí Department, Bolivia (Locality at mindat.org)
Size: 3.4 x 2.6 x 1.6 cm.
Monazite gets its name from the Greek word "monazein", which means "to be alone", in allusion to its isolated crystals and their rarity when first found. Monazite is usually found in granitic pegmatites, but these crystals are found in hydrothermal tin veins where there is an absolute absence of Thorium (usually a trace element in Monazite). This is a remarkable, very well crystallized, very rare, specimen hosting sharp, lustrous, translucent, orange-pink, twinned crystals of Monazite-(Ce) measuring 5 mm on Quartz crystals on matrix. These twins are some of the most distinct and impressive twinned Monazite crystals I have seen from Bolivia. The crystals actually show a color change in different lighting ranging from orange-pink to a yellowish color depending upon the light source. This specimen has some of the largest crystals I have seen from this mine, and it just came out of the ground a few months ago (2009). This piece is from the same mine for which this material was discovered along the Contacto and San Jose veins in this mine and was first described by Sam Gordon and Mark Bandy.
Deutsch: Monazit-(Ce), Quarz
Fundort: Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, Rafael Bustillo, Potosí , Bolivien (Fundort bei mindat.org)
Größe: 3.4 x 2.6 x 1.6 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-287936.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
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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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Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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current10:26, 27 April 2010Thumbnail for version as of 10:26, 27 April 2010383 × 360 (50 KB)RKBot (talk | contribs)== {{int:filedesc}} == {{Information |Description= {{en|1=Monazite-(Ce), Quartz :: Locality: Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, [[:en:Rafael Bustillo Province|Raf

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