LithoCat

MineralBeudantite
FormulaPbFe3(AsO4)(SO4)(OH)6
Crystal FormTrigonal/Hexagonal Scalenohedral [3 2/m]
CleavageDinstinct/Good on {0001}
ColorBlack, Dark green, Brown, Dark yellow, Red, Greenish yellow
Density4.5 – 4.5 g/cm3
DiaphaneityTransparent, Translucent
FractureBrittle
Hardness3.5 - 4.5
LustreVitreous, Sub-vitreous, Resinous, Greasy
StreakGrayish yellow to Green
Type Loc.Louise Mine, B├╝rdenbach, Altenkirchen, Wied Iron Spar Dist., Westerwald, Rhineland-Palatinate, Germany
Dana 8 Class43.4.1.1
Strunz Class7/B.35-90
Mindatmindat.org
WebMineralWebMineral
ID302