was obtained from Northparkes mine (New South Wales, Australia). Major valuable minerals, found in this ore, are chalcopyrite (1.1%) and bornite (1.6%), while non-valuable minerals are mainly different type of silicates such as plagioclase (31.8%), quartz (14.7%), orthoclase(12.0%) and muscovite (11.4%). It should be noted that nonvaluable sulphide mineral is pyrite (0.2%).