Tourmaline: buying guide to the Rainbow Gemstone
Posted on July 31st, 2010 by Hand Trades
Tourmaline is not really just one gemstone. Tourmaline is actually several different, but closely related minerals, members of what is called The Tourmaline Group. These gems come in rich and vivid colors and are often a mixture of more then one color. Black opaque tourmalines can Sparkle nicely and produce sharp crystal forms. Tourmalines can [...]
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