As nouns the difference between terms and hellyerite
is that terms is while hellyerite is (mineral) a monoclinic-prismatic light blue mineral containing carbon, hydrogen, nickel, and oxygen.
terms
English
Noun
(head)
Statistics
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hellyerite
English
Noun
(mineral) A monoclinic-prismatic light blue mineral containing carbon, hydrogen, nickel, and oxygen.
References
* Hellyerite in the Mineralogy Database: [http://webmineral.com/data/Hellyerite.shtml]