Agate from Pima County, Arizona, USA
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 348. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 348 Galbraith, F.W. & Brennan (1959), Minerals of AZ: 85. Guild, F.N. (1905), Petrography of the Tucson Mountains, Amer. Jour. Sci.: 20: 313 |
MRDS database Dep. ID file #10098118, MRDS ID #I000806. |