Deposits similar to those in Norway are found in Sweden, but on account of their situation, which entails heavy operating and transportation expenses, it is doubtful if they will ever be able to compete with cheaper European magnesite.
Magnesite has been mined in the Orenburg government, Russia. One mine yielded 26,320 metric tons in 1906. Magnesite occurs also on the north slope of the Caucasus Mountains.
Africa.
—Extensive deposits of magnesite occur in the Transvaal, as veins, that range up to 4 feet in thickness. The rock is used for making carbon dioxide and oxychloride cement. Great deposits of magnesite are reported in Portuguese West Africa. The deposits are near, or associated with, boiling springs.
Asia.
—The most important occurrence of magnesite in India seems to be in the Madras presidency, in the southern part of the peninsula of Hindustan, where the mineral occurs in interlacing veins. The main deposits have produced more than 2,000 tons in a single year.
Crystalline magnesite occurs in limestone in the Manchuria mountains, and is mined at Daisetsukyo for refractory purposes.
Magnesite is reported in Asiatic Turkey about 75 kilometers from Smyrna.
Australia.
—The deposits of magnesite in Queensland are so small that they probably have no commercial value. Rounded blocks of pure white magnesite outcrop in one locality in New South Wales, where many thousands of tons are available at small cost. An analysis shows 99.01 per cent. magnesium carbonate and no lime. Large deposits of magnesite are reported in South Australia. Extensive deposits also occur on the north end of the west coast of New Caledonia. A small quantity has been exported.