Magnetites Sentence Examples

Magnetites were also early employed, at first in Catalan forges, in which by means of a direct process the metal was secured from the ores and forged into blooms without being cast; later they were smelted in blast furnaces.

The " ruby " sand consists chiefly of fine garnets and magnetites, with a few rose-quartz grains.

The iron deposits are very extensive, and the ores consist of red haematites, magnetites, titanic, chrome and manganese irons.