| | Description | |
| Type Locality: | Hirukawa, Nakatsugawa City, Gifu Prefecture, Chubu Region, Honshu Island, Japan is the type locality for Masutomilite | | Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Am.Min. 62:594 (1977) | | Data | |
| Mineral Data: | Click here to view Masutomilite data | | Locality Data: | Click here to view Hirukawa, Nakatsugawa City, Gifu Prefecture, Chubu Region, Honshu Island, Japan |
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