Discovered by P. E. Lecoq de Boisbaudran at Paris, France.
Remarks
Silvery white metal of the lanthanide group. Relatively stable in dry air but in moist air an oxide coating forms. Used in permanent magnets, organic reagents, special glass, catalysts, ceramics, and electronics.
Diagnostic tests:
There are no simple diagnostic tests to identify Samarium.
X-ray fluorescence spectroscopy is commonly employed to identify and
analyze members of the Rare-Earth group elements.
References
Emsley, J., 1991; THE ELEMENTS : Sec. Ed.,
Clarendon Press, Oxford, 251 p.
(* - Mineral Name Is Not IMA Approved)
(! - New Dana classification added or changed from Danas New Mineralogy)
(? - IMA Discredited Mineral Species Name)
There are 72 minerals with Sm in the Mineralogy Database.