| China | | |
| Weixuan Fang (1999): Acta Mineralogica Sinica 19(3). | | France | | |
| J.-L. Hohl: "Minéraux et Mines du Massif Vosgien", Editions du Rhin (Mulhouse), 1994 | | USA | | |
| Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. of Mines Bull. 153: 27. |
- Black Hills (Black Hill Range)
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 391; Anderson, C.A. & S.C. Creasy (1958), Geology and ore deposits of the Jerome area, Yavapai Co., AZ, USGS PP 308. |
- Bradshaw Mts (Bradshaw Range)
| Krieger, M.H. (1965), Geology of the Prescott and Paulden quadrangles, Arizona, USGS PP 467: 105. | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 213, 390, 393; Bastin, E.S. (1922), Primary native-silver ores near Wickenburg, AZ, and their bearing on the genesis of the silver ores of Cobalt, Ontario, USGS Bull. 735: 131-155; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 27, 28. |
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