Rhodium
Discovered : by W.H. Wollaston in 1803

Isolated in London, UK

Origin : The name is derived from the Greek ‘rhodon’, meaning rose.

Description :

The rarest of all non-radioactive metals on Earth. World production is only three tonnes a year, mainly for catalysts in the chemicals industry.

Image :

This symbol of a rose is usually found with the motto 'Dat Rosa Mel Apibus' (The rose gives the bees honey) and was used by 17th century Rosicrucians. Click here to see larger version of this image.