Mineral Information Institute - Nickel Nickel: Vital as an alloying constituent of stainless steel, plays key role in the chemical and aerospace industries. Leading producers include Australia, Canada, Norway and Russia.
| Nickel (Wikipedia) Chemical element, with the symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. It is one of the four ferromagnetic elements at about room temperature, other three being iron, cobalt and gadolinium.
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