3rd chakra.  Euclase is a rare stone to find in crystalline form.  These three are colorless.  This mineral is one for the new age, healers use it quite often in their work to promote happiness and joy.  It is a stimulating crystal which will help one to quit unhealthy patterns and to focus on new energy.  Excellent for enhancing communication skills and awakens the creative force from within.   Assists one in math and geometry while relieving tension and aches, pains.  Vibrates to the number 3.