Who They Are & What They Teach- 

The spiritual and healing qualities of 390 members of the mineral kingdom are detailed here in The Pocket Book of Stones, Robert Simmons's condensed reference guide to to crystals and gems. Based on the bestselling The Book of Stones: Who They Are and What They Teach, this guide describes 47 new stones not covered in the original encyclopedia and also contains an index of the spiritual, emotional, and healing qualities of the stones.