Healing Power of Crystals : Gotham Books : 9798887754185 : 21 Sep 2023 : Birthstones are believed to represent either the month of a person's birth or the zodiac sign. They were the brainchild of shrewd 16th -century gem traders to boost sales. Six hundred years later, The American Jewellers Association, the American Gem Society and the American Gem Trade Association have constantly changed the original, outdated, inexpensive list for expensive, fashionable gems. The Jewellers of America made this press release: "JA sees the addition of Tanzanite for December as a way to build business. Any step that helps retailers sell more jewellery is a good one." -obviously, it has nothing to do with focusing the healing energy of the planet of birth through physical contact. Incensed by this financial trickery, Magda studied and conferred with astronomers and astrologers before correlating astronomical facts with gemological research. Credace at last. Tabled in this book are Precious Gems,