... .compititive price with good quality 4.Professional service 1,Classification:Magnesium carbonate 2,Appearance:white monocline crystallizes or the amorphous ... or the amorphous powder. 3,Non-toxic, tasteless , Use:1, Serves as the medicine intermediate, the absorbent, the drying ... Residue(200mesh)%100—13ClarityQualified—14Whiteness %98— Good price magnesium carbonate Reagent/food/ pharmaceuticalGrade