Agardite-(Nd)

General Information:
 Chemical Formula:
(Nd,La,Ce,Ca)Cu6(AsO4)3(OH)6·3(H2O)
 Composition:
(Molecular Weight = 1,085.93 gm)
Calcium 0.37 % Ca
Lanthanum 3.84 % La
Cerium 1.29 % Ce
Copper 35.11 % Cu
Arsenic 20.70 % As
Hydrogen 1.11 % H 
Neodymium 6.64 % Nd
Oxygen 30.94 % O 
 Empirical Formula:
Nd0.5La0.3Ce0.1Ca0.1Cu6(AsO4)3(OH)6·3(H2O)
 IMA Status:
Not IMA Approved (Dana # Added)
 Name Origin:
Named for the composition and for Jules Agard, Geologist, Bureau de Recherches Geologiques et Minieres, Orleans, France.
Physical Properties:
 Color:
grass green.
 Density:
3.72
 Diaphaniety:
Transparent
 Hardness:
3-4 - Calcite-Fluorite
 Luster:
Vitreous (Glassy)
 Streak:
greenish white
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