File:Danalite-pas-131c.jpg

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Danalite-pas-131c.jpg ‎(400 × 337 pixels, file size: 40 KB, MIME type: image/jpeg)

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Description
English: Danalite
Locality: Rockport, Essex County, Massachusetts, USA (Locality at mindat.org)
Size: small cabinet, 7.2 x 4.8 x 3.2 cm
Danalite
From the TYPE LOCALITY where it was first noted in 1866 during the Civil War, this is an OUTSTANDING, aesthetic, intensely colored danalite crystal, named after the great mineralogist. The crystal is approx. 2 cm tall. Danalite turns out to be a rare member of the helvite group, seldom crystallizing and most often found as masses in rock. Here we have a superb 3-dimensional crystal perched on matrix with amazonite feldspar and cryophilite, in quartz. According to MINDAT, cryophilite has been discredited by the IMA Mica subcommittee (betcha didn't know the world had such an important body of governors...). It is now considered on odd variety of Zinnwaldite, Fe-bearing trilithionite, or Fe-bearing polylithionite (again, according to MINDAT). The danalite crystal is 3-D, attractively displayed, and overall we hav ehere both a significant and attractive display specimen of something so rare and historic that most of us will probably never see again.
Deutsch: Danalith
Fundort: Rockport, Essex County, Massachusetts, Vereinigte Staaten (Fundort bei mindat.org)
Größe: 7.2 x 4.8 x 3.2 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/pas-131c.jpg, Description: http://www.irocks.com/render.html?species=Danalite&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:
w:en:Creative Commons
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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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current12:12, 27 May 2010Thumbnail for version as of 12:12, 27 May 2010400 × 337 (40 KB)RKBot (talk | contribs)== {{int:filedesc}} == {{Information |Description= {{en|1=Danalite :: Locality: Rockport, Essex County, Massachusetts, USA ([http://www.mindat.org/loc-3825.html Locality at mindat.org]) :: S

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