It's iridium.
iridium
Fluorine (:
The symbol for the element Iridium is "Ir". It comes from the Greek word iris that means rainbow.
Dens Arcus means rainbow spike in Latin.
The element iron comes from the latin word Ferrum but in english it's Iron the word ferrum probably refers to the color.
Rubidus is a Latin word that means red. The element Rubidium is named after rubidus.
The Latin word for 'element' is 'elementum' .
The name radium is derived from the Latin language word radius (equivalent to radiation).
The element Zinc was named by a Swiss chemist by the name of Theoprastus Bombastus von Hohenheim. He made up the Latin word zincum specifically to name this metal, and it is unclear why or how he formed the word.
iris is the latin word for "rainbow" hence the English word "iridescent"
Iridium
Calcium from the Latin word calcis.