LithoCat

MineralNorbergite
FormulaMg3(SiO4)(F,OH)2
Crystal FormOrthorhombic/Dipyramidal [2/m 2/m 2/m]
ColorOrange-yellow to Brown
Density3.1 – 3.2 g/cm3
DiaphaneityTransparent, Translucent
FractureUneven to Subconchoidal
Hardness6.0 - 6.5
LustreVitreous, Resinous
StreakWhite
Dana 8 Class52.3.2a.1
Strunz Class8/B.04-10
Mindatmindat.org
WebMineralWebMineral
ID263