Bandylite

General Information:
 Chemical Formula:
CuB(OH)4Cl
 Composition:
(Molecular Weight = 177.84 gm)
Copper 35.73 % Cu
Boron 6.08 % B 
Hydrogen 2.27 % H 
Chlorine 19.94 % Cl
Oxygen 35.99 % O 
 Empirical Formula:
CuB(OH)4Cl
Physical Properties:
 Cleavage:
[001] Perfect
 Color:
dark blue.
 Density:
2.81
 Diaphaniety:
Translucent
 Hardness:
2.5 - Finger Nail
 Luster:
Vitreous - Pearly
 Streak:
light blue
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