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Date: 11/11/99
Posted by: Wouter Verbeek
E-mail: W_Verbeek(at)hotmail(dot)com(no spam)
URL: http://

I have a problem trying to glassify my manganese-silicate slag. This slag melts at approx. 1350C but, when quenched in liquid nirtogen, forms an olivine-like cristal structure around the slag. The inside is glass but the outside isn't. Does anyone know what is causing this?? slag contains approx 6% Al2O3 27% SiO2 21% CaO 6% MgO 39% MnO

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