Feldspar Group from selected localities.
USA | |
| Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 35. |
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 199; Pabst, A. & R.W. Thomssen (1959), Davidite from the Quijotoa Mountains, Pima Co., AZ (abstract), Geol.Soc.Amer. Bull.: 70: 1739; Pabst, A. (1961), X-ray crystallography of davidite, Am.Min.: 46: 700-718. |