Yakubovich O V , Steele I M , Gavrilenko P G , Urusov V S , Crystallography Reports , 50 (2005) p.226-234, Crystal structure of sakhaite from the Solongo deposit in connection with, the crystal chemical interpretation of the sakhaite-harkerite mineral series, Locality: Solongo deposit, Vitim Plateau, Buryatia, Zabaykalye, Russia