Set of seven chakra tumbled stones in a black velvet bag. Chakras are believed to be part of the subtle body, not the physical body, and as such, are the meeting points of the subtle (non-physical) energy channels called NADI. These sets come with an assortment of stones which may include: Blue = Sodalite, Lapis Lazuli, Blue Aventurine or Blue Agate Violet = Amethyst or Purple Agate Yellow = Yellow Calcite, Citrine or Jasper Orange/ Carnelian or Orange Calcite Red = Red Aventurine or Jasper Green = Green Aventurine, Green Agate or Amazonite Indigo/ Sodalite or Lapis Lazuli