December Birthstone - Blue Topaz
Blue topaz is the December birthstone. Blue topaz is one of the most popular gemstones due to its stunningly clear blue color. There are different varieties of the blue topaz such as sky blue, swiss blue and london blue. Greeks in ancient times thought topaz had the power to increase strength and make one invisible. Blue topaz was thought to do that as well as cool tempers and restore sanity.
Topaz is a common gem and has been used in jewelry for centuries. Gem quality topaz is quite durable with a hardness of 8. It is suitable for every day wear. The London Blue color of blue topaz is not naturally found, but is a blue topaz that has its color enhanced with heat. Blue topaz is the most well known, popular and expensive color of topaz.
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