Canopan crystals are valued for several reasons, and several uses. Their commonly used for trade, jewelry, and in manufacturing.
Daalen Quartz vibrates at a very specific frequency when any energy is applied to it. This can be electrical, or kinetic energy.
Leek shards are rare and beautiful crystal that is only found in the Lambda Equulei system. It has some very unique properties of being able to merge tow pieces together.