Manganite is a strongly magnetic ore of manganese seldom found in commercial quantities. It is often found in veins associated with granitic igneous rocks. It alters to pyrolusite. Barite and calcite are frequent associates.
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Manganite is a strongly magnetic ore of manganese seldom found in commercial quantities. It is often found in veins associated with granitic igneous rocks. It alters to pyrolusite. Barite and calcite are frequent associates.
Related terms: