Triplite
Chemical Formula	(Mn,Fe)2(PO4)(F,OH)
Species	Phosphates
Crystal System	Monoclinic
Mohs Scale	5
Specific Gravity	3.5-3.9
Color	Chestnut to reddish brown, flesh-red, salmon-pink
Streak	White to brown
Luster	Vitreous, Resinous
Refractive Index	n = 1.650 n = 1.660 n = 1.680
Diaphaneity	Opaque
Cleavage	Distinct/GoodOn , good; on , fair; and on , poor.
Fracture	Irregular/Uneven, Sub-Conchoidal
Crystal Habit：Prismatic, massive to nodular
Geological Setting：Granitic pegmatites of the complex, phosphate-rich type. Also occurs in high temperature vein (Nevada).