| Description |
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| Comments: | Occurs as delicately crystallized crusts coating fracture surfaces in Inwood Limestone. |
| Colour: | White |
| Quality of samples: | not specified / average specimens |
| Confirmation |
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| Validity: | Believed Valid |
| References |
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| References: | The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. 3, No. 1, Manchester, J.G. (1931): 27. |
| Data |
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| Mineral Data: | Click here to view Flos Ferri data |
| Locality Data: | Click here to view 215th Street & Broadway, Manhattan Island, Manhattan (New York Co.), New York City, New York, USA |