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Holmium
Holmium

Iridium
Iridium



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Iridium

Facts About Holmium and Iridium

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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.
  • Iridium element occurs as natural alloys of Platinum and Osmium.
  • Iridium element is known as the most corrosion resistance metal .
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
Smithson Tennant
1.3.2 Discovery
In 1878
In 1803
1.4 Abundance
1.4.1 Abundance In Universe
Facts About Iron
5 * 10-8 %
Rank: 27 (Overall)
2 * 10-7 %
Rank: 22 (Overall)
Facts About Thallium
1.4.2 Abundance In Sun
Facts About Iron
~-9999 %
Rank: N/A (Overall)
~0.0000002 %
Rank: 25 (Overall)
Facts About Beryllium
1.4.3 Abundance In Meteorites
Facts About Iron
0.00 %
Rank: 43 (Overall)
0.00 %
Rank: 29 (Overall)
Facts About Gold
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1.4.4 Abundance In Earth's Crust
Facts About Alu..
0.00 %
Rank: 38 (Overall)
0.00 %
Rank: 56 (Overall)
Facts About Radium
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1.4.5 Abundance In Oceans
Facts About Sod..
0.00 %
Rank: 41 (Overall)
Not Available
Rank: N/A (Overall)
Facts About Protactinium
1.4.6 Abundance In Humans
Facts About Cal..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Facts About Radium
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