Minerals
Natrophilite
natrophilite
NaMn²⁺PO4
Natrophilite: Mineral information, data and localities. — via zh.mindat.org · Source
Overview
Natrophilite is a mineral with the chemical formula NaMnPO4. In a pure form it has a yellow coloration. Its crystals are orthorhombic to dipyramidal. It is transparent to translucent. It is not radioactive. Natrophilite is rated 4.5 to 5 on the Mohs Scale. At Branchville, Fairfield County, Connecticut, it is found as a rare replacement of lithiophilite within a complex granite pegmatite, together with triploidite, eosphorite and dickinsonite.