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Holmium
Holmium

Thulium
Thulium



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Holmium
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Thulium

Facts About Holmium and Thulium

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1 Facts
1.1 Interesting Facts
  • Holmium metal is very soft and malleable.
  • Holmium metal is well known for its corrosion resistivity.
  • Thulium metal can resist corrosion due to dry air .
  • Only Tm-169 isotope of Thulium metal occur naturally.
1.2 Sources
Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining, Ores of Minerals
1.3 History
1.3.1 Who Discovered
Marc Delafontaine
Per Teodor Cleve
1.3.2 Discovery
In 1878
In 1879
1.4 Abundance
1.4.1 Abundance In Universe
5 * 10-8 %1 * 10-8 %
Facts About Thallium
5E-09 0.11
1.4.2 Abundance In Sun
~-9999 %~0.00000002 %
Facts About Beryllium
1E-08 0.1
1.4.3 Abundance In Meteorites
0.00 %0.00 %
Facts About Gold
1.7E-07 22
1.4.4 Abundance In Earth's Crust
0.00 %0.00 %
Facts About Radium
9.9E-12 8.1
1.4.5 Abundance In Oceans
0.00 %0.00 %
Facts About Protactinium
2E-23 1.1
1.4.6 Abundance In Humans
NANA
Facts About Radium
1E-13 1.4