LithoCat

MineralTakevite
FormulaNa6Al2(OH)16[CO3] • 4(H2O)  
Crystal FormTrigonal/Hexagonal Scalenohedral [3 2/m]
ColorBluish green, yellowish green
Density2.8 – 3.0 g/cm3
DiaphaneityTransparent, Translucent
Hardness2.0
LustrePearly
Dana 8 Class16b.6.3.2
Strunz Class5/E.03-50
Mindatmindat.org
WebMineralWebMineral
ID255