Wicksite

minerals

satterlyite

ludlamite

vivianite

Formula: NaCa2Fe2+2(Fe3+,Mn2+,Fe2+)4(PO4)6.2H2O
Hydrated normal phosphate, wicksite group
Specific gravity: 3.54
Hardness: 4½ to 5
Streak: Green
Colour: Dark blue, dark green, black
Environments

Sedimentary environments

At the type locality, Big Fish River, Dawson mining district, Yukon, Canada, Wicksite occurs in nodules in shale beds in an iron formation. Associated minerals include wolfeite, satterlyite, marićite, ludlamite, vivianite, pyrite and quartz (AM 67.1077, Dana, HOM).

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