1 Facts
1.1 Interesting Facts
- Niobium metal was used to get called Columbium in past.
- Niobium metal found freely in nature (abundance).
- Chromium is highly reactive, hence it is not found free in nature.
- Ores of Chromites mineral are the major source of Chromium metal.
- Almost 90% leather tanning is done with the help of chromium.
1.2 Sources
By-product of Tin Extraction, Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining, Ores of metals, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Charles Hatchett
Louis Nicolas Vauquelin
1.3.2 Discovery
In 1801
In Between 1797 - 1798
1.4 Abundance
1.4.1 Abundance In Universe
2 * 10-7 %1.5 * 10-3 %
5E-09
0.11
1.4.2 Abundance In Sun
~0.0000004 %~0.002 %
1E-08
0.1
1.4.3 Abundance In Meteorites
1.4.4 Abundance In Earth's Crust
1.4.5 Abundance In Oceans
1.4.6 Abundance In Humans