Crystal energy is the power that crystals naturally give off and that you are able to use to heal yourself.
You can apply the metaphysical properties of these more powerful crystals, as you learn how you can use them to heal yourself.
It is a great advantage to have natural crystals of any sort in your environment, and the stones with a higher vibration are powerful aids to move you forwards in your life.
All crystals are of benefit to you, and which ones you select will depend on your reasons for choosing it. As many of you are working on your personal and spiritual growth, you may find that you are being drawn to high crystal energy stones.