| | Description | |
| Comments: | Occurs in cavities in barite. | | Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 298; Gornitz, V. (2004), Grand Canyon Uranium: The Orphan Mine, Mineral News: 20(6): 7.. | | Associated minerals: | |
| Associates: | Baryte
| | Data | |
| Mineral Data: | Click here to view Millerite data | | Locality Data: | Click here to view Orphan Mine (Orphan lode; Orphan N.P. 2004; Golden Crown Mining Co. property; Western Gold and Uranium property), Grand Canyon Village, Orphan District, South Rim, Grand Canyon National Park, Coconino Co., Arizona, USA |
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