any member of a group of minerals, hydrous silicates of aluminum with other bases, chiefly potassium, magnesium, iron, and lithium, that separate readily into thin, tough, often transparent, and usually elastic laminae; isinglass.
更多mica例句
Among them Mica Mosbacher, who is now a regent at the University of Houston.
But Mica also wisely created a provision that allowed airports to opt-out of the TSA and use private screeners instead.
Gneiss is a similar mixture, but characterised by the predominance of mica, and by its banded structure.
A compound of quartz, mica, and felspar, having the appearance of re-composed granite.
Close-grained grey and yellowish-grey granite, with brown mica.
Yellowish-grey granite, with brown mica; "from the summit of the hill."
Slaty clay, with particles of mica, like that which frequently occurs immediately beneath beds of coal.