Prehnite from Colorado Plateau, USA
USA | |
| Personal communication with Jim McGlasson - minID JPG-3FD |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| King, Vandall T., Robinson, George W. (1990) What's New in Minerals? - Seventeenth Annual Rochester Academy of Science Mineralogical Symposium. The Mineralogical Record, 21 (5) 481-501 |