Magnesium carbonate,white monocline crystallizes or the amorphous powder 1.good quality,meets CP/USP/EP 2.better ... ,Classification:Magnesium carbonate 2,Appearance:white monocline crystallizes or the amorphous powder 3,Cas No:13717-00-51,Magnesium carbonate2,the ... white monocline crystallizes or the amorphous powder. 3,Non-toxic, tasteless , 4,Relative density is 2 ...