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www.toboc.com
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Single Crystal Tourmaline
Multi-Application of Single Crystal Tourmaline
Silicaon Dioxide / SiO2 36.72%
Titanium Dioxide / TiO2 0.76%
Iron Oxide / Fe2O3 4.77%
Alumina Oxide / Al2O3 31.08%
Boron Oxide / B2O3 9.72%
Calcium Oxide / CaO 0.98%
Potassium Oxide / K2O 0.48% ...
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