
General Information:

Chemical Formula:
CaCu6(AsO4)3(OH)6·3(H2O)

Composition:
(Molecular Weight = 994.20 gm)
Calcium 4.03 %
CaCopper 38.35 %
CuArsenic 22.61 %
AsHydrogen 1.22 %
H Oxygen 33.79 %
O 
Empirical Formula:
CaCu6(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 or light green.

Density:
3.72

Diaphaniety:
Transparent

Hardness:
3-4 - Calcite-Fluorite

Luster:
Vitreous (Glassy)

Streak:
greenish white
More details...