File:Fluorite-Quartz-93bqb.jpg

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Description
English: Fluorite, Quartz
Locality: W.L. Davis-Deardorff Mine, Ozark-Mahoning Group, Cave-In-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin County, Illinois, USA (Locality at mindat.org)
Size: cabinet, 14.0 x 10.6 x 4.6 cm
Fluorite on Quartz
This is a very important locality specimen. Open for only ten years in the mid-1900s, the Deardorff Mine is not one of the household names when it comes to Illinois fluorite. However, it had a unique association of fluorite and quartz which remains one of the most sought-after Illinois classics to this day. For whatever reasons, quartz is rare in the other nearby mines, particularly in association with good fluorite. This association is both dramatic and classic for the mine - if in somewhat larger size than we usually see. The fluorite cubes, to 3.75 cm across, exhibit good luster and near-transparency along with a fine pastel- blue color. When viewed from the side there is a hint of color zoning with purple overtones. The lavender fluorescence adds to the beauty of this specimen. I have purposefully chosen to leave the piece un-cleaned with modern technology which could remove the iron pocket-staining and make the piece look too modern and sparkly. Ex. Dr. Edward David Collection.
Deutsch: Fluorit, Quarz
Fundort: W.L. Davis-Deardorff Mine, Ozark-Mahoning Group, Cave-In-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin County, Illinois, Vereinigte Staaten (Fundort bei mindat.org)
Größe: 14.0 x 10.6 x 4.6 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/93bqb.jpg, Description: http://www.mindat.org/photo-270468.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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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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current19:17, 25 May 2010Thumbnail for version as of 19:17, 25 May 2010400 × 377 (34 KB)RKBot (talk | contribs)== {{int:filedesc}} == {{Information |Description= {{en|1=Fluorite, Quartz :: Locality: W.L. Davis-Deardorff Mine, Ozark-Mahoning Group, Cave-In-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Coun

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