| | Description | |
| Comments: | Pseudomorphic replacements of plagioclase phenocrysts in outlying parts of mineralized area. Occurs also in zone of oxidation coating malachite. | | Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 132; Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 96; Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298. | | Associated minerals: | |
| Associates: | Malachite
| | Data | |
| Mineral Data: | Click here to view Beidellite data | | Locality Data: | Click here to view New Cornelia Mine (Ajo Mine), Ajo, Little Ajo Mts, Ajo District, Pima Co., Arizona, USA |
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