In barytobiotite and manganophyllite the magnesia is partly replaced by baryta and manganous oxide respectively.
Among them are Chilean nitrate, rock phosphate, greensand, and sulfate of potash magnesia.
But so, too, would water impregnated by the sulphate of magnesia or the sulphate of soda.
The bases of the four alkaline earths, baryta, strontia, lime and magnesia.
It crops up in milk of magnesia, and as Epsom salts, but it is also an essential trace element, required for the normal function of virtually every organ.
Pulverized sugar is often adulterated with starch, flour, magnesia, and sometimes silex and terra alba.
