nepheline
英 ['nef(ə)lɪn]
美 ['nɛfɪlin]
词性
名词
基本解释
n.[矿] 霞石
网络释义
a crystalline mineral consisting of silicate of aluminum and sodium that occurs in the form of small crystals in many igneous rocks.
例证
1. Nepheline is commonly found in igneous rocks such as granite and syenite.
2. The presence of nepheline can be used as an indicator of certain types of volcanic activity.
2. The presence of nepheline can be used as an indicator of certain types of volcanic activity.