GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW) | ||||||
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11:17 Apr 4, 2013 |
Italian to English translations [PRO] Science - Mining & Minerals / Gems / potash feldspar | |||||||
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| Selected response from: P.L.F. Persio Netherlands Local time: 13:14 | ||||||
Grading comment
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Summary of answers provided | ||||
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4 +2 | illitic |
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3 +2 | illite |
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illite Explanation: Dovrebbe essere questo: http://www.treccani.it/enciclopedia/illite/ illite Denominazione generica di minerali argillosi kAl2Si4O10(OH)2, contraddistinti da unità strutturali in gran parte simili a quelle della montmorillonite e della mica. http://www.mindat.org/min-2011.html http://earth.usc.edu/~dfarris/Mineralogy/17_ClayMinerals.pdf Clay Minerals Illite group- also includes hydrous micas, phengite, brammalite, celadonite, and glauconite (a green clay sand); formed by the decomposition of some micas and feldspars; predominant in marine clays and shales. -------------------------------------------------- Note added at 12 mins (2013-04-04 11:29:47 GMT) -------------------------------------------------- http://www.clays.org/journal/archive/volume 13/13-1-33.pdf The Nature of Illite THE NAME illite was proposed by Grim, Bray and Bradley in 1937 for the mica-type mineral occurring in argillaceous sediments. It was specifically stated that "the term is not proposed as a specific mineral name, but as a general term for the clay mineral constituent of argillaceous sediments belonging to the mica group". |
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Grading comment
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12 mins confidence: peer agreement (net): +2
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