Crystal Healing

How and why are crystals incorporated into Reiki?

I noticed that using crystal healing techniques can enhance the effects of Reiki. It is a known fact that crystals and gems have treatment and healing properties. Crystals can channel the energy into the right direction and encourage positivity. The healing properties for every colour are different and it is used according to various problems in body. It is always required to allow energy to flow, where it can serve you in the right way.