File:Pyrite-223964.jpg

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Pyrite-223964.jpg ‎(586 × 600 pixels, file size: 135 KB, MIME type: image/jpeg)

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Description
English: Pyrite
Locality: San Giovanni Mine, Punta della Torre, Iglesias, Carbonia-Iglesias Province, Sardinia, Italy (Locality at mindat.org)
Size: 7.5 x 4.9 x 2.7 cm.
Very rare acicular pyrite crystals. Not only are these rare for the species, but pyrite itself is quite rare for this locality so it is doubly-uncommon. In fact, this is the only such example I have seen, and I find it highly interesting because as common as pyrite is in the world, you would think if it could form this habit, it would do so more commonly. But this seems not the case. Giorgio Spiga, an Italian collector, has corrected my original locality label and informed me these were found in 1972-1973, originally sold as millerite. He says: "Some years later some specimens were analysed at the University of Modena and officially classified as Pyrite by the academic temple of the science."...and further "These crystals look as acicular at a first observation, with needles up to than 1 cm, but using a microscope or a good loupe it is easy to realize that we are in presence of an extreme phase of skeletal crystals formation." The exact location within the mine is the Contatto Ovest Stope.
Deutsch: Pyrit
Fundort: San Giovanni Mine, Punta della Torre, Iglesias, Provinz Carbonia-Iglesias, Sardinien, Italien (Fundort bei mindat.org)
Größe: 7.5 x 4.9 x 2.7 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-223964.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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Rob Lavinsky, the copyright holder of this work, hereby publishes it under the following license:
w:en:Creative Commons
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Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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current01:14, 27 April 2010Thumbnail for version as of 01:14, 27 April 2010586 × 600 (135 KB)RKBot (talk | contribs)== {{int:filedesc}} == {{Information |Description= {{en|1=Pyrite :: Locality: San Giovanni Mine, Punta della Torre, Iglesias, Carbonia-Iglesias Province, [[:en:Sardinia|Sardinia

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