silicate

Beryl is a beryllium-aluminum silicate, and its color comes from small amounts of chromium.

绿宝石其实是一种铍铝硅酸盐，而它的颜色则来自于微量的铬元素。

This artist's concept illustrates how silicate crystals like those found in comets can be created by an outburst from a growing star.

这幅艺术构想图说明了在彗星中发现的硅酸盐晶体是如何在生长中的恒星的喷发中生成的。

One question that has baffled planetary scientists is how oceans formed on the surface of terrestrial planets like Earth -- rocky planets made of silicate and metals.

一个困扰着行星科学家的问题是：海洋是怎样在像地球这样由硅酸盐和金属组成的石质行星的表面形成的？