Literature
Lightsaber Crystals
In the Star Wars Universe, there are a variety of lightsaber colors, but what many don't understand is that each color has a different meaning. In light of the release of Star Wars Episode VII: The Force Awakens, I've decided to give you the meaning of each one.
Blue: Blue crystals represent the Jedi Guardian, Jedi who are more into combat than others and who route out evil whenever it rears it's ugly head. Though not as proficient in force techniques, Guardians practice saber techniques and protect the galaxy, much like the police or military.
Green: Green crystals usually represent the Jedi Consular, Jedi who train more in force techniques