OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on March 12, 2007 made $2 735 for a ton of aluminium, $6 170 for a ton of copper, $1 880 for a ton of lead, $46 595 for a ton of nickel, $13 845 for a ton of tin, $3 250 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 734 for a ton of aluminium, $6 170 for a ton of copper, $1 845 for a ton of lead, $43 590 for a ton of nickel, $13 785 for a ton of tin, $3 260 for a ton of zinc.