| | Description | |
| Comments: | At the contact biotite / glass, the biotite is replaced by a reaction rim : enstatite, labradorite, ilmenite, orthoclase, relictual biotite (titanain biotite 62-67 % + montdorite 32-34 %).
| | Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | Eur. J. Mineral. , 1996, 8, pp. 625-638. | | Data | |
| Mineral Data: | Click here to view Biotite data | | Locality Data: | Click here to view Kef Cheraya, Cape Bougaroun, Collo, Skikda Province, Algeria |
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