Strengthens, purifies, vitalizes and regenerates bodily systems, especially the bloodstream. Has strong affinity with root chakra, helping to  harmonize the potent forces of the kundalini. Stimulates pituitary gland. Aligns subtle bodies. Love, compassion. Enhances imagination. Chakra(s): root, heart.

\(Ca,Fe,Mg,Mn)3  (Al,Fe,Mn,Cr,Ti,V)2(SiO4)3. Hardness 6.5-7.5. Locality: Zimbabwe, Africa; Idaho, USA.