File:Calcite-260464.jpg

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Description
English: Calcite
Locality: Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith County, Tennessee, USA (Locality at mindat.org)
Size: 10.5 x 10.5 x 4 cm.
This is an Elmwood specimen from the famous late 1970s "jewel pocket", that was recently traded to me out of the collection of the Benjamins, friends in France known for their exquisite taste in fluorite and calcite in particular. It was formerly owned by Keith Proctor, who obtained it from the Steve Neely Collection, which was sold in 1997. This pocket remains one of the most famous and desired of all Elmwood calcite finds, and the gemmy quality, sparkling lustre, and sheer transparency of the crystals sets a standard hard to beat. I think it’s pretty obvious why they nicknamed it, that. Most crystals were 1-2 inches. Some few in good condition reached 4-6 inches. Most have damage. This one does not. Most specimens from this pocket consist of a single isolated crystal sitting flat on shards of gray dolomite, which detracts from the light transmission through the crystals, and means that too much ugly gray rock is often present. Not this one. In this piece, the calcite itself is central, and a few shards of the matrix extend elegantly from the calcite and behind it in a way that enhances the calcite by immediately conveying how gemmy it is. It is gem clear throughout. You are looking right through the whole crystal in the photo, in its core over 3 cm thick, to the extension of matrix on its backside which reaches out to host the accessory crystal. The real prize, though, is that this piece has a secondary crystal which is even gemmier than the first, just a perfect gem hanging off the extended matrix. The large crystal has very sharp terminations, and the smaller one has the rarer, fat termination with multiple facets. So you have two slightly different styles on the same specimen, complementing. Ex. Francis and Patricia Benjamin, Keith Proctor, and Steve Neely Collections.
Deutsch: Calcit
Fundort: Elmwood mine, Karthago, Central Tennessee Ba-F-Pb-Zn District, Smith County, Tennessee, Vereinigte Staaten (Fundort bei mindat.org)
Größe: 10.5 x 10.5 x 4 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-260464.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 Edit this at Wikidata
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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