References:
Answers.com: http://www.answers.com/topic/crystal-healing-1
Vogel, Marcel, The Scientific Basis for Healing with Crystals;
Wikipedia: http://en.wikipedia.org/wiki/Crystal_healing
References:
Answers.com: http://www.answers.com/topic/crystal-healing-1
Vogel, Marcel, The Scientific Basis for Healing with Crystals;
Wikipedia: http://en.wikipedia.org/wiki/Crystal_healing