pla·gio·clase /ˈpleʤ(i)əˌkles, ˈplæ, ˌklez/
斜長石
Pla·gi·o·clase n. Min. A general term used of any triclinic feldspar. See the Note under Feldspar.
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plagioclase
n : any of a rock-forming series of triclinic feldspars [syn: oligoclase]