| 释义 |
〔vug〕A small cavity in a rock or vein, often with a mineral lining of different composition from that of the surrounding rock.晶簇：岩石或岩脉中的小空腔，常有从周围岩石的矿物而来的不同组织的矿物内层〔druse〕A crust of tiny crystals lining a rock cavity, usually composed of the same minerals that occur in the rock.晶簇：嵌于岩石洞穴的小晶簇，一般由与岩石相同的矿物成分组成 |