Hardness is 7-7.5 - Composition is (NaCa)(LI,MgFe,Al)9B3Si6(O,OH)31 - This stone represents all colour of the rainbow and each colour has a distinct frequency that alters the human condition. - As a general rule each of the colours relates to a chakra and affects that energy centre of the body. - Clear or White Relates to the crown chakra, it amplifies and adjusts the other colours and the energy centres of the body. It synthesizes the will to serve on all levels thereby serving ones? Self. - Blue Triggers the throat and the third eye giving way for compassionate and vivid communication of universal truths and ideals. It helps one in obtaining higher realms and relaying that information. - Pink (Rubellite) Awakens the heart chakra and allows the universality of unconditional love. Galvanises loving aspirations to be realized in this reality. - Green Builds the immune system, rids toxins in an appropriate manner and helps healing in the newly cleansed system. It also alters negativity and generates an aura of affluence that transform to abundant material gain. - Yellow Cares for the solar plexus letting it open to the desires and a willingness to let the unavoidable changes to take place that would allow for the desires to reveal itself. - Orange Stimulates the creativity, and the activity of procreate on the physical plane that which is already held within the mental. - Black Anchoring, it helps one to maintain their relation to the reality no matter the outward visual aspect. It evokes the ideas that are essential originally in order to start the creation process. -