General Information:
Chemical Formula:
CaCu6(AsO4)3(OH)6·3(H2O)
Composition:
(Molecular Weight = 994.20 gm)
Calcium 4.03 % Ca
Copper 38.35 % Cu
Arsenic 22.61 % As
Hydrogen 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...