pegmatite – מילון אנגלי-אנגלי
pegmatite
n.
crystalline granite
Pegmatite
A
pegmatite is a
holocrystalline, intrusive
igneous rock composed of interlocking
phaneritic crystals usually larger than 2.5 cm in size (1 inch); such rocks are referred to as
pegmatitic.
pegmatite
Noun
1. a form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements
(hypernym) igneous rock
(substance-meronym) samarskite
Pegmatit (der)
nm.
pegmatite, crystalline granite
pegmatite
nf.
(Geology) pegmatite, crystalline granite