Iceland Spar from Great Plains Domain, North America Plate
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 153 Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 46. |
| AmMin 25:151 |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. | |
| Kelley V. C. (1940) Iceland spar in New Mexico. American Mineralogist 25:357-367 |
Iceberg claim, Trampas, Picuris District, Taos County, New Mexico, USA