Ferrous example sentences

Ferrous minerals like iron ore, manganese and chromites contain iron.Rajasthan with the rock systems of the peninsula, has reserves of many non-ferrous minerals.India exports substantial quantities of ferrous minerals after meeting her internal demands.India s reserves and production of non- ferrous minerals is not very satisfactory.Ferrous minerals account for about threefourths of the total value of the production of metallic minerals.Ferrous sulphate crystals (FeSO4, 7H2O) lose water when heated and the colour of the crystals changes.A non-ferrous mineral does not contain iron but may contain some other metal such as gold, silver, copper or lead.