General Information:
Chemical Formula:(Dy,La,Ca)Cu6(AsO4)3(OH)6·3(H2O)
Composition:(Molecular Weight = 1,083.41 gm)Calcium 0.37 %
CaLanthanum 2.56 %
LaDysprosium 9.00 %
DyCopper 35.19 %
CuArsenic 20.75 %
AsHydrogen 1.12 %
H Oxygen 31.01 %
O Empirical Formula: Dy0.6La0.2Ca0.1Cu6(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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