hannayite

noun han·nay·ite \ˈhanēˌīt\

Definition of hannayite

plural

-s

  1. :  a mineral Mg3(NH4)2H4(PO4)4.8H2O consisting of a hydrous acid ammonium magnesium phosphate occurring in guano

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Origin and Etymology of hannayite

German hannayit, from J. B. Hannay, 19th century Scottish chemist + German -it -ite


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