LithoCat

MineralTugtupite
FormulaNa4(AlBeSi4O12)Cl  
Crystal FormTetragonal/Disphenoidal [4]
CleavageDistinct on {101}; Fair on {110}
ColorRed, white to pink, bluish white, greenish white
Density2.3 – 2.3 g/cm3
DiaphaneityTranslucent
FractureStep-like
Hardness4.0
LustreSub-vitreous, Waxy, Greasy, Dull
StreakWhite
Type Loc.Albitite vein, Tugtup Agtakôrfia, Tunulliarfik Fjord, Ilimaussaq complex, Narsaq, Kitaa Prov., Greenland
Dana 8 Class76.2.3.7
Strunz Class8/J.11-50
Mindatmindat.org
WebMineralWebMineral
ID334