| | Description | |
| Comments: | In amphibolites. | | Quality of samples: | not specified / average specimens | | Confirmation | |
| Validity: | Believed Valid | | References | |
| References: | G. Demarcq, 1973, "Guides Géologiques Régionaux : Lyonnais, Vallée du Rhône" , p. 42, Masson. | | Data | |
| Mineral Data: | Click here to view Hornblende data | | Locality Data: | Click here to view La Brévenne, Bessenay, Sain-Bel, L'Arbresle, Rhône, Rhône-Alpes, France |
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