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File:Fluorite-Quartz-k-192b.jpg

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Description
English: Fluorite, Quartz
Locality: Blinkpan, Karas Region, Namibia (Locality at mindat.org)
Size: cabinet, 18.3 x 10.2 x 3.4 cm
Gem Chalcedony pseudomorph after Fluorite
These beautiful specimens are rare survivors of a small find that produced GREAT carving rough for cabochons and jewelry made of chalcedony (its gemmy and transparent/translucent!), to the detriment of the original specimens from our point of view! Charlie saved some from the wrecker, though, and these are a few selected from a flat we have of this rare and beautiful old material from the 1980s. This one is particularly nice because it shows the lace agate in layers around the chalcedony, that provided the silica for replacement of the fluorite crystals that were originally inside this vug. In other words, this piece preserves the full geological context of the pocket, with crystals in a vug in the ground, changing over timeto another mineral due to alterations in the chemistry and environment. Besides, its beautiful, too!
Deutsch: Fluorit, Quarz
Fundort: Blinkpan, Karas, Namibia (Fundort bei mindat.org)
Größe: 18.3 x 10.2 x 3.4 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/k-192b.jpg, Description: http://www.irocks.com/render.html?species=Quartz&page=33
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:
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Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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