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allanite

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allanite [ˈæləˌnaɪt]
n
(Earth Sciences / Minerals) a rare black or brown mineral consisting of the hydrated silicate of calcium, aluminium, iron, cerium, lanthanum, and other rare earth minerals. It occurs in granites and other igneous rocks. Formula: (Ca,Ce,La,Y)2(Al,Fe,Be,Mn,Mg)3(SiO4)3(OH)
[named after T. Allan (1777-1833), English mineralogist]
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He was (perhaps) responsible for large parts of the libretto, "The Magic Flute", but he also discovered many new mineral species including sodallite, allanite, and gieseckite, was responsible for exploring both eastern and western Greenland, and provided assistance in the planning of several arctic voyages to the Northwest Passage.
Four Centuries of Geological Travel: The Search for Knowledge on ... by Morgan, Alan / Geoscience Canada
Athol, for example, is noted for allanite and epidote.
Scientist unearthed state's gems; Work predates modern geology by Telegram & Gazette (Worcester, MA)
But rarely is the thick-skinned Allanite disappointed with their apartment.
The Man Who Sold the Boro; A Broker of \'d4Good People\'d5 by Suzy Hansen / The New York Observer
 
 
 
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