Milling and Process Methods of American Nepheline Limited
J. J. MATHER; H. MAIDMENT
NEPHELINE SYENITE is a feldspathic rock resembling granite in texture and hardness but it is white in colour and contains appreciable quantities of the mineral nepheline, the result of a silica deficiency. It is relatively common, with known occurrences in Russia, Scandinavia, India, Canada, United States, and other parts of the world. However, the particular deposit being mined at Nephton, Ontario, by American Nepheline Limited is unique in its remarkable uniformity and low content of ironbearing minerals, both qualities essential in a ceramic raw material.
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