BK13 The Crystal Bible – A Definitive Guide to Crystals by Judy Hall – Beautifully illustrated, The Crystal Bible is a comprehensive guide to crystals, their shapes, colors, and applications.  The directory format enables you to find a known crystal instantly or to identify an unknown crystal and covers the practical and esoteric properties of each crystal including spiritual, mental and psychological, emotional and physical effects, plus its use in crystal healing.  Its an indispensable reference for crystal lovers everywhere