Facts About Niobium and Holmium
Facts
Interesting Facts
- Niobium metal was used to get called Columbium in past.
- Niobium metal found freely in nature (abundance).
- Holmium metal is very soft and malleable.
- Holmium metal is well known for its corrosion resistivity.
Sources
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining, Ores of Minerals
History
Who Discovered
Charles Hatchett
Marc Delafontaine
Discovery
In 1801
In 1878
Abundance
Abundance In Universe
2 * 10-7 %
22
5 * 10-8 %
27
Abundance In Sun
~0.0000004 %
23
~-9999 %
Abundance In Meteorites
0.00 %
35
0.00 %
99+
Abundance In Earth's Crust
0.00 %
25
0.00 %
38
Abundance In Oceans
0.00 %
34
0.00 %
99+
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