A lanthanide group element, samarium is a silvery-white metal which is found in the minerals allanite, cerite, gadolinite and its namesake, samarskite. It is relatively stable in dry air but oxidises on contact with moisture. Applications of the metal are limited, but it finds uses in the glass, ceramics and electronics industries and also in the manufacture of permanent magnets (when combined with cobalt).
- 1879 by P.E. Lecoq and was named after the mineral "Samarskite" which, in turn, was named after the Russian mine official, Colonel V.E. Samarsky.
- 7.9 ppm of the earth's crust.
|Atomic / Molecular Weight||150.36||gmol-1||Clip|
|Crystal Structure||rhomb / bcc at 1190K||Clip|
|Specific heat capacity||197||Jkg-1K-1||Clip|
See also: Periodic Table.