Dolomite
Magnesian limestone, a mineral consisting of carbonate of lime and carbonate of magnesia in somewhat varied proportions, the former usually preponderating with about 20 per cent carbonate of iron. See BASIC-PROCESS; LIMESTONE.
Twelve hundred entries from the golden age of cast metal — how bells are founded, why brass is not bronze, what a cupola melts and a core withstands — by Simpson Bolland, the trade's great teacher.
Magnesian limestone, a mineral consisting of carbonate of lime and carbonate of magnesia in somewhat varied proportions, the former usually preponderating with about 20 per cent carbonate of iron. See BASIC-PROCESS; LIMESTONE.