OREANDA-NEWS. The official purchase prices at cash calculations on the London Metal Exchange on December 13, 2006 made $2 827 for a ton of aluminium, $6 709 for a ton of copper, $1 680 for a ton of lead, $34 150 for a ton of nickel, $11 045 for a ton of tin, $4 418 for a ton of zinc.

Three-month purchase contracts were made at the price of $2 809 for a ton of aluminium, $6 750 for a ton of copper, $1 630,5 for a ton of lead, $33 250 for a ton of nickel, $10 935 for a ton of tin, $4 310 for a ton of zinc.