General Information:
Chemical Formula:
Pb5Cu4Cl10(OH)8·2(H2O)
Composition:
(Molecular Weight = 10962.72 gm)
Copper 13.91 % Cu
Hydrogen 0.44 % H
Lead 58.59 % Pb
Chlorine 20.05 % Cl
Oxygen 7.01 % O
Empirical Formula:
Pb31Cu24Cl62(OH)48
Environment:
Sedimentary copper deposits.
Locality:
Boleo, near Santa Rosalia, Baja California Sur, Mexico.
Name Origin:
Named after its similarity to the mineral Boleite.
Physical Properties:
Cleavage:
[001] Perfect
Color:
indigo blue.
Density:
5
Diaphaniety:
Transparent
Habits:
Pseudo Cubic - Crystals show a cubic outline., ,
Hardness:
2.5 - Finger Nail
Luster:
Vitreous - Pearly
Streak:
light green
More details...