AM_Vauquelinite
Formula: Pb2 Cu Cr P O9 H
Name: Vauquelinite
Unit cell: 13.754 5.806 9.563 90.0 94.57 90.0 , V=761.23
Space group: P121/N1 (14)

Fanfani L , Zanazzi P F , Zeitschrift fur Kristallographie , 126 (1968) p.433-443, The crystal structure of vauquelinite and the relationships to fornacite, Locality: Beresov, Ural Mountains, Russia