Sampleite

General Information:
 Chemical Formula:
NaCaCu5(PO4)4Cl·5(H2O)
 Composition:
(Molecular Weight = 886.21 gm)
Sodium 2.59 % Na
Calcium 4.52 % Ca
Copper 35.85 % Cu
Phosphorus 13.98 % P 
Hydrogen 1.14 % H 
Chlorine 4.00 % Cl
Oxygen 37.91 % O 
 Empirical Formula:
NaCaCu5(PO4)4Cl·5(H2O)
Physical Properties:
 Cleavage:
[010] Perfect, [100] Good, [001] Good
 Color:
bluish green or light blue.
 Density:
3.2
 Hardness:
4 - Fluorite
 Luster:
Pearly
 Streak:
bluish white
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