Pegmatoid vs. Pegmatite

Pegmatoid vs. Pegmatite — Is There a Difference?
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Difference Between Pegmatoid and Pegmatite

Pegmatoidadjective

(mineralogy) Resembling pegmatite

Pegmatitenoun

A coarsely crystalline igneous or plutonic rock composed primarily of feldspar and quartz, normally with muscovite and/or biotite mica.

Pegmatoidnoun

Such a mineral

Pegmatitenoun

a form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements

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