What is "triphylite"

Triphylite \Triph"y*lite\, n. [Pref. tri- + Gr. ? a family, class. So called in allusion to its containing three phosphates.] (Min.) A mineral of a grayish-green or bluish color, consisting of the phosphates of iron, manganese, and lithia.

Note: A salmon-colored or clove-brown variety containing but little iron is known as lithiophilite.

n. (context mineralogy English) An orthorhombic-dipyramidal mineral containing iron, lithium, oxygen, and phosphorus.

Triphylite is a lithium iron(II) phosphate mineral with the chemical formula LiFePO. It is a member of the triphylite group, and forms a complete solid solution series with the lithium manganese(II) phosphate, lithiophilite.