Thursday, November 19, 2015
Definitions of the Word Crystal
Crystal; A crystal or crystalline solid is a material that has atoms, molecules, or ions arranged in an ordered structure that extends in 3 dimensions. In mineralogy, a crystal is part of the definition of a mineral. Every mineral has to have a crystal structure. There are organic crystals such as bone, teeth, insulin, and other compounds within living organisms.
Rock Crystal; the common variety of clear quartz.
Lead Crystal, Swarovki Crystal; A type of glass where the calcium is replaced with lead oxides. The term crystal is used erroneously.
Liquid Crystal; are crystals that act as a crystalline solid and a liquid at the same time.
The word crystal is also used to describe (adjective) other objects;
Crystal Clear is used to describe something that is very clear-transparent.
Crystal Mountain; there are several crystal mountains. Some are famous for the crystals found there whether they are quartz, gypsum, feldspar, etc. And some are famous for their snow.
Crystal Watch Face; the glass watch face is often referred to as a crystal.