Baryte from Mayacamas Mountains, California, USA
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Mineralogical Record (1989): 20: 129-142. Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Van Nostrand Reinholt Press: 295. |
| Econ Geol (1997) 92:20-28 |