Crystallographic Planes and Directions in Hexagonal Crystal Systems

Explaining the crystallographic directions and planes in hexagonal crystals
0:00 Why do we treat hexagonal crystals differently?
2:20 Miller-Bravais Coordinate System
2:50 Directions
13:30 Planes

[@chidinmajudith7679]

thank you very much for the video

[@wisehead1830]

Thank you

[@jingtingnicole3008]

Hi, I am wondering where is the formula: u = 1/3(2u' - v') coming from?