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TOURMALINE

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Tourmaline, which is a borosilicate, is the main source of boron found in soil. It is a mixture of silicates and borates from where boron is extracted. It is available as a complex cyclosilicate, Al<sub>6</sub>Y<sub>3</sub>Na[Si<sub>6</sub>O<sub>18</sub>](BO<sub>3</sub>)<sub>3</sub>(OHF)<sub>4</sub>, with Y = Mg, Fe, Mn or Li. The rhombohedral system has the shape of an elongated rod or needle type prism. Tourmaline is used as a gemstone, and because of its double refraction and piezo-electric properties, it is used in polarizers and in some pressure gauges. The best known variety of tourmaline is black tourmaline which is rich in iron and is a common mineral in igneous and metamorphic rocks. <br/> Magnesium-rich tourmaline is called dravite. Lithium-rich varieties are called elbaite. Ferruginous varieties are called schorlite which is insoluble in water and resistant to weathering and hence releases boron slowly.
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  • Company Name:Shaanxi Dideu Medichem Co. Ltd
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  • Products Intro:Product Name:TOURMALINE
    CAS:1317-93-7
    Purity:99.0% Package:1KG;|25KG
  • CB Index:58
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  • Company Name:WUHAN JIXINYIBANG BIOTECHNOLOGY .,LTD
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    Purity:99% HPLC Package:1kg;200kg;1000kg
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    Purity:99% Package:25KG;5KG;1KG
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  • Products Intro:Product Name:Far infrared powder
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    Purity: 99.99% Package:kg
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  • Products Intro:Product Name:Liquid anion liquid anion spray stock solution
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    Purity:99.99% Package:75公斤
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