fillowite

fillowite

[′fil·ə‚wīt]
(mineralogy)
H2Na6(Mn,Fe,Ca)14(PO4)12·H2O A brown, yellow, or colorless mineral composed of a hydrous phosphate of manganese, iron, sodium, and other metals.
References in periodicals archive ?
(1981) Fillowite, [Na.sub.2]Ca[(Mn,[Fe.sup.2+]).sub.7][(P[O.sub.4]).sub.6]: its crystal structure.
93-010 The magnesium analogue of fillowite and johnsomervilleite.