File:Chalcocite-corn04a.jpg

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Description
English: Chalcocite
Locality: St Ives Consols (incl. Wellesley Mine; Wheal Mary), St Ives, St Ives District, Cornwall, England, UK (Locality at mindat.org)
Size: miniature, 4.5 x 3.8 x 2.1 cm
Chalcocite
This historical old specimen, once in the possession of Lord Tynes in 1876 (according to a probably mid-1900s attached label from a collector named D. Bury), is different than many St. Ives chalcocites I have seen, in that the lustrous, black crystals are bladed, to 4.0 cm in length, rather than the standard, short or long prismatic crystals showing flat terminations. These look most unusual, and the result is more sparkle than you normally see in a Cornish chalcocite. The lustre is incredible, brilliantly jet black...it is a stunning, slightly iridescent surface. Ex. Ed Ruggiero Collection.
Deutsch: Chalkosin
Fundort: St Ives Consols (incl. Wellesley Mine; Wheal Mary), St. Ives, Distrikt St Ives, Cornwall, England, Vereinigtes Königreich (Fundort bei mindat.org)
Größe: 4.5 x 3.8 x 2.1 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/corn04a.jpg, Description: http://www.mindat.org/photo-256763.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:
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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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