Interacting with gems and crystals can bring us new perceptions and unrepeatable experiences that help us in our daily lives. This work, backed by the author's extensive experience in this field, is a complete guide to stones, their morphology, chromatism, applications and magical and healing properties, so that anyone interested in this subject can use it as a guide or reference in their own experimentation. 272 interesting pages Size: 16.5 x 14 cms. Tikal Publisher Author: Elena Galiana.