niobium / columbium
Niobium, element 41, is named for Niobe, the daughter of Tantalus in Greek mythology. The element was discovered by German chemist Heinrich Rose in 1844. Rose discovered the element in tantalite ores and chose the name niobium to reflect the relationship with the element tantalum. Rose wrote in the Chemical Gazette in 1845:
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It is the oxide of a metal which differs from all known metals. I have called it Niobium, and its acid niobic acid, from Niobe, daughter of Tantalus.1
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