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Nov 30, 2009
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feld•spar



Pronunciation: (feld'spär", fel'-), [key]
n.
any of a group of minerals, principally aluminosilicates of potassium, sodium, and calcium, characterized by two cleavages at nearly right angles: one of the most important constituents of igneous rocks. Also,felspar.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Feldenefeldspathic
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