Crystallographic noun

In the specific sense in chemistry, "body with a molecular structure that causes it to take the form of a regular solid enclosed by a certain number of plane surfaces," from 1620s

Crystall is a brighte stone and clere with watry colour

Men trowe that it is of snowe or yse made harde in space of many yeres

Therfore the Grekes yave a name therto

Rock-crystal is the general name for transparent crystals of quartz

Crystal Palace was the name of the large building, made chiefly of glass and iron, for the universal exhibition of 1851 in London's Hyde Park