Biotite from
Calucala nepheline syenite, Cuanza Norte Province, Angola
Locality type: | Occurrence | |
Classification | ||
---|---|---|
Species: | 'Biotite' (not an IMA approved species) | |
Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 | |
Confirmation | ||
Validity: | Believed Valid | |
Data | ||
Mineral Data: | Click here to view Biotite data | |
Locality Data: | Click here to view Calucala nepheline syenite, Cuanza Norte Province, Angola | |
Data Identifiers | ||
Mindat Occurrence Record ID: | 1421349 | |
Long-form Identifier: | 1:3:1421349:8 | |
GUID (UUID V4): | 20ff92a3-d87c-49fa-b2cf-5c1534552858 | |
Nearest other occurrences of Biotite | ||
24.1km (15.0 miles) | ⓘQuiculungo quarry, Cuanza Norte Province, Angola | |
79.8km (49.6 miles) | ⓘMabubas Pegmatite, Mabubas, Dande, Bengo Province, Angola | |
References | ||