Before revision: The study of the chemistry (and physics) of clays and clay minerals is of great academic and industrial relevance as they are among the most widely used industrial minerals, being employed as raw materials , (ceramics, pottery, etc.
After revision: The study of the chemistry (and physics) of clays and clay minerals is of great academic and industrial relevance as they are among the most widely used industrial minerals being employed as raw materials , (ceramics, pottery, etc.