As nouns the difference between niobium and rynersonite
is that niobium is a metallic chemical element (symbol Nb) with an atomic number of 41 while rynersonite is an orthorhombic-dipyramidal mineral containing calcium, niobium, oxygen, and tantalum.
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
----
rynersonite
English
Noun
(mineralogy) An orthorhombic-dipyramidal mineral containing calcium, niobium, oxygen, and tantalum.
References
* Rynersonite in the Mineralogy Database: [http://webmineral.com/data/Rynersonite.shtml]