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Banking service chronicle
Banking service chronicle published this article page no 5 on the basis of chemical and physical properties minerals may be grouped under two main categories of metallics and non-metallics which may further be classified as follows as it is clear from the fig. 7.1 metallic minerals are the sources of metals. iron ore copper gold produce metal and are included in this category. metallic minerals are further divided into ferrous and non-ferrous metallic minerals. ferrous as you know refers to iron. all those minerals which have iron content are ferrous such as iron ore itself and those which do not have iron content are non-ferrous such as copper bauxite banking services chronicle monthly magazine.