| | Description | |
| Comments: | Occurs in schist. | | Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 275; Eakle, Arthur Starr (1906), Notes on lawsonite, columbite, beryl, barite, and calcite: University of California, Department of Geological Science Bulletin: 5: 83. | | Data | |
| Mineral Data: | Click here to view Muscovite data | | Locality Data: | Click here to view Reed Station, Tiburon Peninsula, Marin Co., California, USA |
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