Hazel Raven, former Vice Chairman of ACHO (Affiliation of Crystal Healing Organisations), is an international writer, teacher, and practitioner of complementary therapies. She has ...view moreHazel Raven, former Vice Chairman of ACHO (Affiliation of Crystal Healing Organisations), is an international writer, teacher, and practitioner of complementary therapies. She has been teaching professional crystal programs since 1990 and is the author of Angel Healing and Healing Yourself with Crystals.view less