LithoCat

MineralPurpurite
FormulaMn3+(PO4)  
Crystal FormOrthorhombic/Dipyramidal [2/m 2/m 2/m]
CleavageDistinct/Good on {100}, Imperfect on {010} Cleaved surfaces sometimes curved
ColorDark purple to purplish red
Density3.2 – 3.4 g/cm3
DiaphaneityOpaque
FractureIrregular/Uneven
Hardness4.0 - 4.5
LustreDull, Earthy
StreakLight to medium purple
Type Loc.Faires Mine, Kings Mtn., Gaston Co., NC, USA
Dana 8 Class38.4.1.2
Strunz Class7/A.02-60
Mindatmindat.org
WebMineralWebMineral
ID457