Tremolite from Colorado Plateau, USA
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 401. Clark, M.D. (1979), Geology of the older Precambrian rocks of the Grand Canyon, Part III. Petrology of mafic schists and amphibolites, Precambrian Research: 8: 277-302. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Bullock, Kenneth C. (1981) Minerals and mineral localities of Utah. Bulletin 117. Utah Geological and Mineral Survey |