LithoCat

MineralLeadhillite
FormulaPb4(CO3)2(SO4)(OH)2
Crystal FormMonoclinic/Prismatic [2/m]
CleavagePerfect on {001}
ColorColourless to white, grey, yellowish, pale green to blue; colorless in transmitted light
Density6.5 – 6.6 g/cm3
DiaphaneityAdamantine, Resinous, Pearly
FractureIrregular/Uneven
Hardness2.5 - 3.0
LustreAdamantine, Resinous, Pearly
StreakWhite
Type Loc.Susanna Mine, Leadhills, S. Lanarkshire, Scotland, UK
Dana 8 Class17.1.2.1
Strunz Class5.BF.40
Mindatmindat.org
WebMineralWebMineral
ID473