| | Description | |
| Comments: | Occurs throughout older Precambrian metamorphic rocks, e.g.: cordierite-anthophyllite schists & paragneisses. | | Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 114-115; Clark, M.D. (1979), Geology of the older Precambrian rocks of the Grand Canyon, Part III. Petrology of mafic schists and amphibolites, Precambrian Research: 8: 277-302. | | Associated minerals: | |
| Associates: | Cordierite
| | Data | |
| Mineral Data: | Click here to view Anthophyllite data | | Locality Data: | Click here to view Travertine Canyon, Grand Canyon, Grand Canyon National Park, Coconino Co., Arizona, USA |
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