Amethyst - Purple (varying shades from light to dark) - Precious: Used to open, stimulate, and balance. Amethyst is a healing stone that offers wisdom, healing, and protection from harm.
Moldavite - Dark green - Semi-precious: Used to cleanse, stimulate, and balance. Not only can Moldavite clear negativity it can restore balance to the entire chakra system. It is good for promoting a new perspective and enhancing dreams and dream recall.
Purple Fluorite - Purple - Semi-precious: Used to stimulate and balance. This stone dispels negativity while promoting intuition and mental clarity and focus.
Black Obsidian - Black - Semi-precious: Used to stimulate and balance. Obsidian is good for expelling negativity and chakra blockages while helping enhance emotional control.