Emma Luisa Mine, Guanaco, Santa Catalina, Antofagasta Province, Antofagasta Region, Chile

Type Location

3.7 x 3.2 x 0.9 cm

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Cu₂Al₇(AsO₄)₄(OH)₁₃·11.5H₂O

The Ceruelite is the sky blue material covering much of this specimen.