Stilbite Subgroup from Kofa National Wildlife Refuge, Arizona, USA
USA | |
| Hunt, William (1983) Calciovolborthite from the New Water Mountains, Yuma County, Arizona. The Mineralogical Record, 14 (2) 119 |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 383 |