‡Ref.: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 105, 132-133, 253-254, 275-276, 323, 327, 384, 387, 399, 403; Hurlbut, C.S., Jr. (1936), A new phosphate, bermanite, occurring with triplite in AZ, Am.Min.: 21: 656-661; Leavens, P.B. (1967), Reexamination of bermanite, Am.Min.: 52: 1060-1066; Hurlbut, C.S., Jr. & L.F. Ariztarian (1968), Bermanite and its occurrence in Córdoba, Argentina, Am.Min.: 53: 416-431; Peacor, D., et al (1984, Paulkerrite, a new titanium phosphate from AZ, Min.Rec.: 15: 303-307; Galbraith, F.W. & Brennan (1959), Minerals of AZ: 71, 74, 75, 101.
Located West of Hillside, near Bagdad and the the Bagdad Mine.
Mineralization is in pegmatites.