|
Argentina | |
|
| M.K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. (Asociacion Mineralogica Argentina) |
|
China | |
- Xiangxi Autonomous Prefecture
| Zhongqi Huang (1991): Acta Mineralogica Sinica 11(3), 274-277 |
|
Mexico | |
|
| Clark, 1993 - "Hey's Mineral Index"; Frank Keutsch collection analysis and label |
|
USA | |
|
| Learned, R.E. (1962) Paragenesis of mercury-ore deposits. Unpublished Master’s thesis, University of California, Los Angeles: 2; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 125. |