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Buy Paraiba Tourmaline Gemstone

Buy Paraiba Tourmaline Gemstone

Submitted by • July 19, 2013

Tourmaline belongs to the trigonal (three sided) crystal system and occurs as long, slender to thick columnar crystals that are usually triangular in cross-section. No other common mineral has three sides. This mineral group is chemically one of the most complicated groups of silicate minerals.

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Voted by info12

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