Cobalt

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Cobalt
Name Cobalt
Symbol Co
Atomic number 27
Atomic mass 58.9 amu
Normal state Solid
Classification Transition metal
Crystal structure Hexagonal
Color Silver
Date of discovery 1737
Name of discoverer George Brandt
Name origin From the German kobold.
Uses In magnets, medical radio-isotopes and (as a compound) blue or green pigment in ceramics and glasses.
Obtained from Cobaltine, erythrite, glaucodot, and skutterudite.
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