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| Description | |
|---|---|
| Comments: | Contains 2.19% combined niobium-tantalum. |
| Quality of samples: | not specified / average specimens |
| Confirmation | |
| Validity: | Believed Valid |
| References | |
| References: | Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 423; Wherry, E.T. (1915), Notes on wolframite, beraunite, and axinite, US Nat. Museum Proceedings: 47: 501-511; Hess, Frank L. (1917), Tungsten minerals and deposits, USGS Bull. 652: 25; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 79. |
| Data | |
| Mineral Data: | Click here to view Ferberite data |
| Locality Data: | Click here to view Cave Creek District, Verde Mts, Maricopa Co., Arizona, USA |
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