As nouns the difference between niobium and epistolite
is that niobium is niobium (symbol: nb) while epistolite is (mineral) a triclinic-pinacoidal mineral containing calcium, fluorine, hydrogen, iron, manganese, niobium, oxygen, silicon, sodium, and titanium.
niobium
English
Noun
(
-)
(
wikipedia niobium)
a metallic chemical element (symbol Nb) with an atomic number of 41.
Synonyms
* columbium
* dianium (obsolete)
Derived terms
* ferroniobium
* niobate
* niobian
* niobic
* niobite
* niobium carbide
* niobium chloride
* niobium pentachloride
* niobous
* niocalite
Related terms
*
See also
* columbite
* columbite-tantalite
* coltan
* euxenite
* pyrochlore
----
epistolite
English
Noun
(mineral) A triclinic-pinacoidal mineral containing calcium, fluorine, hydrogen, iron, manganese, niobium, oxygen, silicon, sodium, and titanium.
References
* Epistolite in the Mineralogy Database: [http://webmineral.com/data/Epistolite.shtml]