|
USA | |
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| [var. Amethyst] MRDS database Dep. ID #10039442, MRDS ID #M050084. |
|
| Simons, F.S. (1964) Geology of the Klondyke Quadrangle Graham and Pinal Counties. USGS Professional Paper 461: 135-136, Plate 1. |
|
| Simons, F.S. (1964), Geology of the Klondyke quadrangle, Graham and Pinal Counties, Arizona, USGS PP 461: 141.
MRDS file #10039450. |
|
| [var. Amethyst] MRDS database Dep. ID #10098427, MRDS ID #M050101. |
|
| [var. Amethyst] MRDS database Dep. ID #10039451, MRDS ID #M050098. |
|
| Simons, F.S. (1964) Geology of the Klondyke Quadrangle Graham and Pinal Counties. USGS Professional Paper 461: 135. |
|
| [var. Amethyst] MRDS database Dep. ID #10039484, MRDS ID #M050149. |
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| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 154. |
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| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 258, 270
Wilson, W.E. (1988), The Iron Cap Mine, Min.Rec.: 19(2): 81-87. |
|
| Simons, F.S. (1964) Geology of the Klondyke Quadrangle Graham and Pinal Counties. USGS Professional Paper 461: 135. |
|
| [var. Amethyst] MRDS database Dep. ID #10039443, MRDS ID #M050085. |
Iron Cap Mine, Landsman Camp, Aravaipa, Aravaipa Mining District, Graham County, Arizona, USA