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USA | |
| Graeme, R. (1993) Bisbee revisited. The Mineralogical Record: 24: 421-436. |
| Grant, Raymond W., Bideaux, R.A., Williams, S.A. (2005) Minerals Added to the Arizona List 1995-2005 (1st ed.) |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 194 Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 32. Richmond, Wallace E., Fleischer, Michael (1942) Cryptomelane, a new name for the commonest of the "psilomelane" minerals. American Mineralogist, 27 (9) 607-610 |
| Luetcke, Rolf (n.d.) Personal communication. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Richmond, Wallace E., Fleischer, Michael (1942) Cryptomelane, a new name for the commonest of the "psilomelane" minerals. American Mineralogist, 27 (9) 607-610 |
- Tombstone Extension Mines
| Luetcke, Rolf (n.d.) Personal communication. |
Gallagher Vanadium & Rare Minerals Corp Mine, Tombstone Mining District, Cochise County, Arizona, USA