Olivine is a magnesium iron silicate that exists throughout the universe — in distant galaxies and local comets — as well as in earthly jewelry stores, in a pristine, gem-quality form called peridot.

橄榄石是一种镁铁硅酸盐，普遍存在于宇宙之中——远之星系，近之彗星。当然，珠宝店也不例外，其宝石级原石被称为贵橄榄石（peridot）。

youdao

A novel magnetorheological fluid was prepared with nanometer lithium magnesium silicate, carbonyl iron particle, silicon oil and so on.

以纳米硅酸镁锂、羰基铁粉、硅油等原料制备了一种稳定性好的磁流变液。

youdao

It is made of Magnesium and Iron Silicate, and it is a member of the Chrysolite mineral family.

它是由镁，矽铁，它是一个成员橄榄石矿物家庭。

youdao

This substance (an iron-magnesium silicate whose greenish colour is reminiscent of olives) weathers rapidly in the presence of water.

ECONOMIST: Martian chronicles