Muscovite from selected localities.
USA | |
| [var: Sericite] Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geol. Sur. Br. Bull. 192, Index of Mining Properties in Yuma Co., Arizona: 172 (Table 4); Bancroft (1911): 51; Wilson, et al (1934) (revised 1967): 128; Arizona Bureau of Mines file data. |
| [var: Sericite] Wilson, E.D., et al (1934), AZ Bur. Mines Bull. 137: 128. |