General Information:
Chemical Formula:Cu(OH,Cl)2·3(H2O)
Composition:(Molecular Weight = 160.83 gm)Copper 39.51 %
CuHydrogen 4.70 %
H Chlorine 11.02 %
ClOxygen 44.77 %
O Empirical Formula: Cu(OH)1.5Cl0.5·3(H2O)
Environment:Secondary copper mineral.
IMA Status:Approved IMA 1963
Locality:Centennial mine, Calumet, Houghton County, Michigan, USA.
Name Origin:Nmaed for John W. Anthony (1920-1992), mineralogist, University of Arizona.
Physical Properties: Cleavage:[100] Perfect
Color:blue or gray violet.
Habits:Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., ,
Hardness:2 - Gypsum
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