What's the difference between euclase and pegmatite?
Euclase
Definition:
(n.) A brittle gem occurring in light green, transparent crystals, affording a brilliant clinodiagonal cleavage. It is a silicate of alumina and glucina.
Example Sentences:
Pegmatite
Definition:
(n.) Graphic granite. See under Granite.
(n.) More generally, a coarse granite occurring as vein material in other rocks.
Example Sentences:
(1) A wide spectrum of heterotrophic and autotrophic microorganisms was detected in the zones of decomposition of spodumene and bed rocks, pegmatites and shales, in the spodumene deposit.