How about a metal product that commands up to $396,000 a tonne? That’s the top of the range for high-purity alumina (HPA). About 7,500 tonnes is produced globally each year. Even at the bottom of the range the price is impressive at $141,000 a tonne. " ( wow....and this was from May 2nd, 2013) http://www.proedgewire.com/rare-earth/