Haicheng Xinnuoxier Mining Industry Co.,Ltd

Characteristic：The chemical composition of tourmaline is diversity. It is silicate mineral in cyclic annular structure with aluminium , sodium , iron , magnesium, lithium take boron as characteristic. The molecular formula: NaR3Al6[Si6O18] [BO3]3 [OH,F]4 Usage: Have pyroelectric effects. Be used for radio, electronic industry, electromagnetic wave protection, sound electric component etc.

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Tourmaline