Seeing this question How do I get a Magenta Lightsaber Crystal?, I see that there are more lightsaber colors than I thought.
I know there are:
- Yellow + Dark center (preorder)
What else is there?
Green items. Requires low-level artifice to craft (items at level 7 and above); found in standard weapons.
The PvE versions drop from Explosive Conflict, Terror from Beyond, and Scum and Villainy. They can be reverse engineered to learn the crafting schematic. The PvP versions come directly from the PvP Items vendor and cannot be learned via RE.
Cartel Pack Crystals
These crystals can be sold on the GTN or traded/mailed after a lockout period. There were no crystals in Shipment 4.
Shipment 1: Cartel Packs
Shipment 2: Contraband Packs
Shipment 3: Bounty Packs
Shipment 5: Stronghold Packs
Cartel Market Crystals
These are sold directly from the Cartel Market and do not appear in the gambling packs.
These are still in the game but can no longer be acquired if you don't have them already:
These are part of the game assets but have not been made generally available:
PVP Rewards, insanely hard to get: