Zinnwaldite from Arizona, USA
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 430. Jahns, Richard H. (1952), AZ Bur. of Mines Bull. 162. |
| Anthony, John W., Williams, Sidney A., Bideaux, Richard A., Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.) University of Arizona Press, Tucson, AZ. Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 105. Wilson, E.D. & G.H. Roseveare (1949), Arizona nonmetallics: a summary of past production and present operations (2nd. ed.), AZ Bur. Mines Bull. 155 |