The characterization of wasted coal resulted from coal mining activity in East Kalimantan island has been carried out order to know its physical and chemical properties such as particle size distribution, mineral impurities, calorific value, ash content, volatile matter content, fixed carbon and moisture content. The characteristic of wasted coal constitutes the basic data as basis to decide the best utilization to be chosen to yield more added value. Rustiadi Purawiardi-LIPI
