graftonite

noun graf·ton·ite \ˈgraftəˌnīt\

Definition of graftonite

plural

-s

  1. :  a mineral (Fe,Mn,Ca)3(PO4)2 consisting of an iron manganese calcium phosphate occurring in salmon-pink laminated intergrowths with triphylite (hardness 5, specific gravity 3.7)

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Origin and Etymology of graftonite

Grafton, New Hampshire + English -ite


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