unfortunately my mind is totally blank tonight...been staring at this page for over an hour
Element of the day (day 70)
#59) Pr- Praseodymium-]metal
Discovered in 1885 by Baron Carl Auer von Welsbach, Austria.
Reacts slowly with air and rapidly with water. Used in carbon arc lamps and to color the glass in welder's goggles. Provides a yellow tint for other types of glass.
Found in monazite and bastnasite mined in the USA, China, Russia, Australia and India.
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