| | Description | |
| Comments: | Pseudomorphous after biotite in the Cornelia quartz monzonite. | | Quality of samples: | not specified / average specimens | | Rarity at site: | Very common | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81; Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 95-96. | | Associated minerals: | |
| Associates: | Anhydrite
Epidote
| | Data | |
| Mineral Data: | Click here to view Chlorite Group 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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