Laurionite

n. laurionite

General Information:
 Chemical Formula:
PbCl(OH)
 Composition:
(Molecular Weight = 259.66 gm)
Hydrogen 0.39 % H 
Lead 79.80 % Pb
Chlorine 13.65 % Cl
Oxygen 6.16 % O 
 Empirical Formula:
PbCl(OH)
 Environment:
Secondary mineral from smelting activities.
 Locality:
Ancient lead slags at Laurium, Greece.
 Name Origin:
Named after its locality.
Physical Properties:
 Cleavage:
[010] Distinct
 Color:
colorless or white.
 Density:
6.24
 Diaphaniety:
Transparent
 Habits:
Crystalline - Fine - Occurs as well-formed fine sized crystals., Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).,
 Hardness:
2.5-3 - Finger Nail-Calcite
 Luster:
Adamantine - Pearly
 Streak:
white
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