Definition for Pegmatite
From Biology Forums Dictionary
Revision as of 12:48, 2 September 2013 by Savio (Talk | contribs) (Created page with "A very crystalline, intrusive igneous rock composed of interlocking crystals usually larger than 2.5 cm in size; such rocks are referred to as pegmatitic.")
A very crystalline, intrusive igneous rock composed of interlocking crystals usually larger than 2.5 cm in size; such rocks are referred to as pegmatitic.