Micropegmatite :: Micropegmatite (n.) A rock showing under the microscope the structure of a graphic granite (pegmatite).

Pegmatite :: Pegmatite (n.) Graphic granite. See under Granite.

Pegmatite :: Pegmatite (n.) More generally, a coarse granite occurring as vein material in other rocks..

Pegmatitic :: Pegmatitic (a.) Of, pertaining to, or resembling, pegmatite; as, the pegmatic structure of certain rocks resembling graphic granite..

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