Pseudomalachite Cu5(PO4)2(OH)4 Monoclinic
Pseudomalachite is a green hydrated copper phosphate formed as a secondary mineral in the oxidized zone of copper deposits.
Pseudomalachite, Flambeau Mine, Rusk County, WI. Spherical clusters to 0.1 mm across Dan Behnke photograph and specimen.
RUSK COUNTY: Pseudomalachite occurs as rare masses and spherical rosettes of drusy crystals in the oxidized zone of the Flambeau Mine, Ladysmith. (Buchholz, pers. com.)
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