From Elite Wiki

A commodity found on the F8 markets screen.

Ores and by-products of quantum-chemical processes. Some systems require traders to have special permit, request info and collect the proper papers in advance.

Traded in TCs & stored in the Cargo Hold for trade.

Cheaper on agricultural worlds, dirt cheap at Rock Hermits and more expensive at industrial worlds.

The Liners ships sometimes have small quantities of waste Radioactives for sale.