白云母矿物

clay mineral───[矿物]粘土矿物；硅酸盐

muscovite───n.俄国人；莫斯科居民；adj.俄国人的；莫斯科居民的

state funeral───国葬

high-grade mineral───高品位矿物

postmaster general───邮政大臣

mineral assemblages of granodiorites such as Muscovite, garnet, etc. are found during upper crust forming.───少部分花岗闪长岩中出现白云母、石榴子石等上地壳特征矿物。