Biotite from Maricopa County, Arizona, USA
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 223 Reynolds, S.J., et al (1985), A fluorite-bearing granite, Belmont Mountains, central AZ, AZ Bur. Geol. min. Tech. Fieldnotes 15: No. 2: 3-5. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 171, 380 Thorpe, D.G. & D.M. Burt (1980), A unique chloritoid-staurolite schist from near Squaw Peak, AZ, AZ Geol. Soc. Digest: 12: 193-200. |
| Jahns, R.H. (1952), Pegmatite deposits of the White Picacho District, Maricopa and Yavapai Cos., AZ, AZ Bur. Mines Bull. 162: 78-80. |
| docs.azgs.az.gov (2017) http://docs.azgs.az.gov/OnlineAccessMineFiles/C-F/DragonMaricopa331.pdf |