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What is iridium?
Iridium is a transition metal and is used for the tips of fountain pens.
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How do you get iridium?
Iridium is a member of the Platinum group of metals, and is one of the rarest elements in the Earths crust. There should have been more, but it dissolves in iron, so most if it will lie in the Earths...
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What is a ferromagnetic?
a ferromagnetic is of or relating to substances with an abnormally high magnet permeability, a definite saturation point, and appreciable residal magnetism and hysteresis.
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What is iridium an example of?
A transition metal or radioactive material.
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Is iridium harmful?
yes