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| Description | |
|---|---|
| Quality of samples: | not specified / average specimens |
| Confirmation | |
| Validity: | Believed Valid |
| References | |
| References: | Mineral. Mag. (1958) 31 (2), 698-699.; Mineralogical Magazine 1957 31 : 698-699. |
| Data | |
| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Mt Shaheru, Mt Nyiragongo, Goma, Kivu, Democratic Republic of Congo (Zaïre) |
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