micropegmatite
Mi`cro*peg"ma*tite, n. Etym: [Micro- + pegmatite.] (Min.) Defn: A rock showing under the microscope the structure of a graphic granite (pegmatite). -- Mi`cro*peg`ma*tit"ic, a.
Mi`cro*peg"ma*tite, n. Etym: [Micro- + pegmatite.] (Min.) Defn: A rock showing under the microscope the structure of a graphic granite (pegmatite). -- Mi`cro*peg`ma*tit"ic, a.