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| Description | |
|---|---|
| Comments: | Occurs as a component of quartz-adularia-opal rock formed by alteration of granodiorite. |
| Quality of samples: | not specified / average specimens |
| Confirmation | |
| Validity: | Believed Valid |
| References | |
| References: | Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 421; Williams, S.A. (1979), Girdite, oboyerite, fairbankite, and winstanleyite, four new tellurium minerals from Tombstone, AZ, Min.Mag.: 43: 453-457. |
| Data | |
| Mineral Data: | Click here to view Adularia data |
| Locality Data: | Click here to view Grand Central Mine, Contention-Grand Central Mine group, Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA |