Focus on Crystals - Mm to Tr Promotion Author:Edmund Harold, Edmund Harold The world is reawakening to the potent energies and unusual properties of one of our planet's most amazing gifts . . . crystals! — Since ancient times, quartz crystals have been revered by people of all ages, cultures, and beliefs. Now Edmund Harold, one of the world's foremost crystal authorities, offers a complete guide to the properties of cry... more »stals and the ways we humans can derive the most benefit from them, including: