|
USA | |
| Ron Layton self collected |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 172 Butler, B.S., et al. (1938b), Geology and ore deposits of the Tombstone district, AZ, AZ Bur. Mines Bull. 143 |
| Luetcke, Rolf (n.d.) Personal communication. |
| Rob Bowell, lab tested |
| Georges Favreau collection |
| Luetcke, Rolf (n.d.) Personal communication. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Collection of Alex Earl |
| American Mineralogist, Volume 94, pages 648–652, 2009 |
Gallagher Vanadium & Rare Minerals Corp Mine, Tombstone Mining District, Cochise County, Arizona, USA