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   Information on gemstones and crystals
Tourmaline
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Tourmaline is one of the most important gemstones, though not very well known.

Tourmaline exhibits so many and very special colors. Indeed nearly all imaginable colors can be found in tourmaline gemstones.

High quality and gem grade tourmaline stones are very precious.

Tourmaline is a silicate with very complex chemical composition that contains several metals.

The most abundant and affordable form is black tourmaline. Black tourmaline is never transparent, not even semi-transparent and is always opaque.

Black tourmaline is used extensively in jewelry because of its great affordable price and very glossy and attractive luster when polished correctly.



 




  





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