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USA | |
| Anthony, John W., Williams, Sidney A., Bideaux, Richard A., Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.) University of Arizona Press, Tucson, AZ. Handbook of Mineralogy. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 105, 257, 265 Schwartz, George Melvin (1947) Hydrothermal alteration in the "porphyry copper" deposits. Economic Geology, 42 (4) 319-352 doi:10.2113/gsecongeo.42.4.319 |
| Luetcke, Rolf (n.d.) Personal communication. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Luetcke, Rolf (n.d.) Personal communication. |
- Middle Pass Mining District
| Luetcke, Rolf (n.d.) Personal communication. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Luetcke, Rolf (n.d.) Personal communication. |
- Turquoise Mining District (Courtland-Gleeson Mining District)
| Luetcke, Rolf (n.d.) Personal communication. |
| Field collected |
| Luetcke, Rolf (n.d.) Personal communication. |
| Luetcke, Rolf (n.d.) Personal communication. |
| Rolf Luetcke |
| Luetcke, Rolf (n.d.) Personal communication. |
| BlaΓ, G. and Kruijen, F. (2015) Neuigkeiten aus der Vulkaneifel (II/2015). Mineralien-Welt, 26(5), 80-90. Anthony, John W., Williams, Sidney A., Bideaux, Richard A., Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.) University of Arizona Press, Tucson, AZ. Handbook of Mineralogy. |
- Yellowstone Mining District
| Luetcke, Rolf (n.d.) Personal communication. |
Maid of Sunshine Mine, Turquoise Mining District, Cochise County, Arizona, USA