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nepheline ['nefilin] n
gen. 霞岩
geol. 霞石
met. 霞石 ((Na, K)AlSiO4)
mineral. 霞石正长岩主要由碱性长石及各种似长石〈霞石为主〉组成的碱性深成岩。参见 syanite
nepheline: 30 phrases in 6 subjects
Desert science2
Earth sciences3
Engineering geology1
Metallurgy4
Oil / petroleum3
Technology17