OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on February 13, 2007 made $2 828 for a ton of aluminium, $5 517 for a ton of copper, $1 740 for a ton of lead, $38 600 for a ton of nickel, $12 695 for a ton of tin, $3 160 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 759 for a ton of aluminium, $5 595 for a ton of copper, $1 685 for a ton of lead, $36 200 for a ton of nickel, $12 500 for a ton of tin, $3 170 for a ton of zinc.