plagioclase phenocryst斜长石斑晶
feldspar phenocryst长石斑晶
phenocryst texture斑晶结构
phenocryst apatite斑晶磷灰石
pyroxene phenocryst辉石斑晶
Sanidine phenocryst透长石斑晶
clinopyroxene phenocryst单斜辉石斑晶
pseudo-phenocryst假斑晶
alkali feldspar phenocryst碱性长石斑晶
N（名词） any of several large crystals that are embedded in a mass of smaller crystals in igneous rocks such as porphyry 斑晶