ZME Science on MSN4 个月
Why does nature keep making perfect cubical pyrite crystals?
There are seven major crystallization systems in mineralogy, each defined by unique symmetry properties and angles. The seven ...
Optics1 个月
GT Crystal Systems, LLC
For additional information about GT Advanced Technologies, please visit www.gtat.com. GT Crystal Systems manufacturers Sapphire and Ti:Sapphire for optics, IR applications, windows, domes, laser rods, ...