Tourmaline Chemistry Components of
ABG Mineral Co. Ltd.
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%
Magnesium Oxide / MgO 8.71%
Lithium Oxide / Li2O 0.008%
Sodium Oxide / Na2O 1.90%
Other Substance 6.582%
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