Rat Tail claim (Pack Rat claim), Wickenburg area, Belmont Mts, Maricopa Co., Arizona, USA

‡Ref.: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 158, 194, 201, 228, 247, 290, 300, 327, 413, 420; Williams, S.A. (1968), Wickenburgite, a new mineral from Arizona, Am.Min.: 53: 1433-1438; Williams, S.A. & J.W. Anthony (1970), Hemihedrite, a new mineral from Arizona (abstract), Am.Min.: 55: 1088-1102; Williams, S.A., et al (1970), A study of phoenicochroite-Its structure and properties, Am.Min.: 55: 784-792.