| | Description | |
| Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 290, 300; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 28. | | Data | |
| Mineral Data: | Click here to view Massicot data | | Locality Data: | Click here to view Tonopah-Belmont Mine (East Vulture Mine; Belmont-McNeil Mine; Economy Mining Co. Mine), Belmont Mountain, Tonopah, Osborn District, Big Horn Mts, Maricopa Co., Arizona, USA |
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