Discovered by C. G. Mosander at Stockholm, Sweden.
Remarks
Silvery white metal, rare member of the lanthanide (rare earth) group. Slowly oxidized by
air, reacts with cold water, Used in solid state devices and lasers.
Diagnostic tests:
There are no simple diagnostic tests to identify Terbium.
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 36 minerals with Tb in the Mineralogy Database.