General Information:
Chemical Formula:(Ca,Mn++,Fe++)Fe+++3(AsO4)(PO4)3(PO3OH)
Empirical Formula: Ca0.6Mn2+0.3Fe2+0.1Fe3+3(AsO4)(PO4)3(PO3)(OH)
Environment:Secondary phosphate mineral.
Locality:White Elephant mine, Pringle, Custer County, South Dakota, USA.
Name Origin:Named for Kurt Walenta (1927-), mineralogist, University of Stuttgart, Germany, who has studied many phosphate minerals.
Physical Properties: Cleavage:[010] Perfect
Color:greenish yellow, yellow green, or bright yellow.
Density:2.72
Diaphaniety:Translucent
Habits:Rosette - Bundled tabular aggregates resembling rose flower petals., ,
Hardness:3 - Calcite
Luminescence:Non-fluorescent.
Luster:Vitreous (Glassy)
Streak:yellow
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