LithoCat

MineralFluorowardite
FormulaNaAl3(PO4)2F2(OH)2(H2O)2
Crystal FormTetragonal/Trapezohedral [422]
CleavagePerfect on {001}
ColorColorless to White or Cream-colored
Density2.8 g/cm3
DiaphaneityTransparent, Translucent
FractureIrregular/Uneven
Hardness5.0
LustreVitreous, Pearly
StreakWhite
Type Loc.Silver Coin Mine, Valmy, Iron Point Dist., Humboldt Co., NV, USA
Mindatmindat.org
ID369