IRIDIUM

Chemical element whose symbol is Ir, atomic number 77 and its number in the periodic table 9. From rainbow. Daughter of Electra and Thaumas Oceanid, therefore sister of the Harpies. It was a divine messenger with Hermes. It is also the mother of Eros, which would have had with Zephyr. It is represented in a coat hanging in the air, wings on the back and the bed in his hand.
Información extraída en: http://es.wikipedia.org/wiki/Iridio y
http://www.uam.es/docencia/elementos/spV21/sinmarcos/elementos/ir.html