Purple kiber crystal and light saber blade
I will just point out that "syntactically" is supposed to be "synthetically" (in the EU, Sith crystals were synthetic rather than natural)
An elegant Infographic for a more civilized age: A look at Star Wars Lightsabers — GeekTyrant
A fun infographic from Newark / Element 14 detailing what you need to do to build your own lightsaber at home! If you’re on the front page of the site, be sure to hit the “read more” link below for the full infographic!
Light Saber Dark Side Full HD Wallpaper and Background
Alternate Lightsaber Techniques -- I think the Jedi Council needs to take some notes here. Here are more references of animation posies my character could use for his lightsaber attacks.
Star Wars The Old Republic lightsaber hilts