| | Description | |
| Comments: | Occurs in veinlets filled with quartz in hydrothermally altered diorite and quartz diorite porphyry. | | Habit: | Tiny, sub-hedral, fibrous crystals | | Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 130. | | Associated minerals: | |
| Associates: | Calcite Chlorite Group Quartz
| | Data | |
| Mineral Data: | Click here to view Bassanite data | | Locality Data: | Click here to view Sierrita Mine (Duval-Sierrita Mine; Duval Esperanza Mine; Sierrita Open Pit Mine), Batamote Hills, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA |
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