File:Calcite-Sphalerite-elmwood2006calcite1.jpg

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Description
English: Calcite, Sphalerite
Locality: Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith County, Tennessee, USA (Locality at mindat.org)
Size: cabinet, 11.5 x 9 x 7 cm
Calcite on Sphalerite
Elmwood is now closed, apparently for good, and the lucky flood of calcites from the mine will be remembered forever. However, even in its heyday, specimens such as this were never common. This is a perfectly situated gem calcite with the most intense amber color possible for the locality, perched upon crystallized sphalerite matrix (a much nicer contrast than the usual perch upon gray limestone). It is good from either side (both are shown). The crystal is literally perched atop the shard of sphalerite-coated matrix, and measures 11.6 x 6 x 5 cm in size. The intensely amber crystals tend not to get so gemmy, and so this is a very rare specimen in that regard...you can actually look through all but the very center of the crystal, and see through to the other side or to the underlying matrix. On one side, the specimen presents the largest calcite faces front and center, showing a very equant twinned scalenohedron, perched on the sphalerite. But on this side th sphalerite is very unusual, occurring as flattened crystals overlying the limestone in a thin, sparkling coating. On the other side of the specimen, the calcite presents more elegantly, showing more of the sharp corners and edges than the broad lateral faces, and the sphalerite is more robustly crystallized as is typical for the mine.
Deutsch: Calcit, Sphalerit
Fundort: Elmwood mine, Karthago, Central Tennessee Ba-F-Pb-Zn District, Smith County, Tennessee, Vereinigte Staaten (Fundort bei mindat.org)
Größe: 11.5 x 9 x 7 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/new09mix/elmwood2006calcite1.jpg, Description: http://www.mindat.org/photo-271363.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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Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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