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USA | |
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |
| Fulp, M. S., Cavin, W. J., Connolly, J. R., & Woodward, L. A. (1982). Mineralization in Precambrian rocks in the Manzanita-North Manzano Mountains, central New Mexico: New Mexico Geological Society. In 33rd Field Conference, Guidebook (pp. 303-304). |
| Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM. |