A note of thanks to all of the pioneers in understanding the metaphysical properties of crystals and how they are here to help us while we are in form. The details in the product descriptions are thanks to these fine authors for documenting this knowledge for the rest of the world.
Robert Simmons & Naisha Ahsian, The Book of Stones (Berkley, CA: North Atlantic Books, 2007).
Cassandra Eason, The New Crystal Bible (London: Carlton Books Ltd., 2010).
Michael Gienger, Healing Crystals (Scotland: Earthdancer Books, 2009).
Judy Hall, The Crystal Bible (Cincinnati, OH: Walking Stick Press, 2003).
Judy Hall, The Crystal Bible 2 (Cincinnati, OH: Walking Stick Press, 2009).
Judy Hall, The Encyclopedia of Crystals (London: Godsfield Press, 20007).