LithoCat

MineralVesuvianite
FormulaCa19(Al,Mg)13B0-5Si18O68(OH,O,F)10  
Crystal FormTetragonal/Ditetragonal-Dipyramidal [4/m 2/m 2/m]
CleavagePoor/Indistinct on {110}
ColorBrown, yellow, brown-black, light green - emerald green, white, red, violet, blue
Density3.3 – 3.4 g/cm3
DiaphaneityTransparent, Translucent
FractureIrregular, Sub-conchoidal
Hardness6.5
LustreVitreous, Resinous
StreakWhite
Dana 8 Class58.2.4.1
Strunz Class8/C.26-10
Mindatmindat.org
WebMineralWebMineral
ID256