Wattevilleite

noun
Watte·​ville·​ite | \ ˈwätviˌlīt\
plural -s

Definition of Wattevilleite

: a mineral Na2Ca(SO4)2.4H2O(?) that is a hydrous sulfate of sodium and calcium and occurs as aggregates of minute hairlike crystals

History and Etymology for Wattevilleite

German wattevillit, from Baron Oscananar de Watteville, 19th century Frenchman + German -it -ite

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