Garnet, however, is a group name for silicate minerals. Gem-quality garnet occurs in many countries, and beautifully formed crystals have been prized as gems for over 5000 years. Garnets are from brownish, purplish reds, blood-red, oranges and greens and colorless.
Garnets are lucky stones.
The color is caused by chemical impurities and most quartz is found in Brazil. Wear an amethyst to get in touch with intuition, feelings, or values. Iron creates the greenish-blues of the aquamarine and many are virtually flawless. Much greenish-blue aquamarine is heated to produce the blue color so popular in modern jewelry. It is an opaque stone of intense dark green with blood red or orange spots.