Lead-antimony sulfosalts from Tuscany (Italy). VI. Pellouxite, ~ (Cu,Ag)2Pb21Sb23S55ClO, a new oxy-chloro-sulfosalt from Buca della Vena mine, Apuan Alps

Paolo Orlandi, Yves Moëlo, A. Meerschaut, P. Palvadeau, P. Léone