Water clear Spirit laser wand crystal. Spirit or Cactus crystal are defined by small crystal forming on the outside of the main crystal. Totally gorgeous high energy. Great size for meditation or Reiki.
Cactus Quartz - "Spirit Quartz"
I have also seen them called "Atlantean Lovestars", "Spirit Crystals" or "Porcupine Quartz" ...
They occur as Quartz, Citrine and Amethyst and have a uniqueness all their own.
White variety has been given the name of "Fairy Spirit Quartz".