Europium
resource:mineral:europiumEuropium (Eu): heavy rare earth; produces the red emission in fluorescent lamps and LED phosphors; historically in CRT television red phosphors; also used in anti-counterfeiting features on euro banknotes.
Europium (Eu): heavy rare earth; produces the red emission in fluorescent lamps and LED phosphors; historically in CRT television red phosphors; also used in anti-counterfeiting features on euro banknotes.