LithoCat

MineralElbaite
FormulaNa(Li,Al)3Al6(BO3)3Si6O18(OH)4
Crystal FormTrigonal/Ditrigonal Pyramidal [3m]
Cleavage[1011] Indistinct
ColorBlue, Colorless, Green, Yellow, White
Density2.9 – 3.2 g/cm3
DiaphaneityTransparent to Translucent to Op
FractureSub Conchoidal
Hardness7.5
LustreVitreous
StreakWhite
Dana 8 Class61.3.1.8
Strunz ClassVIII/E.19-10
Mindatmindat.org
WebMineralWebMineral
ID8