LithoCat

MineralChamosite
Formula(Fe2+,Mg)5Al(AlSi3O10)(OH)8
Crystal FormMonoclinic/Prismatic [2/m]
CleavageGood on {001}
ColorGreen, Grey-green, Brown, Black
Density3.0 – 3.4 g/cm3
DiaphaneityTranslucent to Subtranslucent
FractureUneven
Hardness3.0
LustreVitreous to Dull
StreakGreyish green
Type Loc.Haut de Cry, Chamoson, Wallis, Switzerland
Dana 8 Class71.4.1.7
Strunz Class8/H.23-30
Mindatmindat.org
WebMineralWebMineral
ID385