Classification: Yttrium is a transition metal & rare earth .... This compares with an average abundance of 33 parts per million in the ... Cost, pure: $430 per 100g.

Yttrium is an extremely rare metallic chemical element. It is extremely expensive, costing about $220 for 100 g. Yttrium in its pure form is slightly silvery,

Yttrium is a metallic chemical element found in compounds with rare earth minerals. It costs on average about 220 $/100g. The element is named after Ytterby,