Zapatalite

General Information:
 Chemical Formula:
Cu3Al4(PO4)3(OH)9·4(H2O)
 Composition:
(Molecular Weight = 808.61 gm)
Aluminum 13.35 % Al
Copper 23.58 % Cu
Phosphorus 11.49 % P 
Hydrogen 2.12 % H 
Oxygen 49.47 % O 
 Empirical Formula:
Cu3Al4(PO4)3(OH)9·4(H2O)
 Environment:
Replacement of libethenite and pseudomalachite.
 IMA Status:
Approved IMA 1972
 Locality:
Cerro Morita Naco, 27 km SW of Agua Prieta, Sonora, Mexico.
 Name Origin:
Named for Emiliano Zapata (1879-1919), hero of the Mexican Revolution.
Physical Properties:
 Cleavage:
[001] Good
 Color:
light blue.
 Density:
3.016
 Diaphaniety:
Translucent
 Hardness:
1.5 - Between Talc and Gypsum
 Streak:
light blue
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