Abstract
In the system Na2CO3-MgO-SiO2-H2O a new sodium magnesium silicate was synthesized under hydrothermal conditions; 450–600 ° C and 300–1000 Kg/cm2. The structure of the specimen was determined by X-ray powder methods, and its properties were studied by chemical, infrared and TG analyses. The specimen has a triple chain structure (space group, C2/c) with the ideal chemical composition, 4 (Na2Mg4Si6O16(OH)2) and lattice parameters, a= 10.152(2), b=27.137(4), c=5.276(1) A, and β= 106.97(3) °.
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