As nouns the difference between terms and selwynite
is that terms is while selwynite is (mineralogy) a tetragonal-ditetragonal dipyramidal deep purplish blue mineral containing aluminum, beryllium, hydrogen, oxygen, phosphorus, potassium, sodium, and zirconium.
terms
English
Noun
(head)
Statistics
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selwynite
English
Noun
(mineralogy) A tetragonal-ditetragonal dipyramidal deep purplish blue mineral containing aluminum, beryllium, hydrogen, oxygen, phosphorus, potassium, sodium, and zirconium.
References
* Selwynite in the Mineralogy Database: [http://webmineral.com/data/Selwynite.shtml]