Astrophyllite from
Ruins of Lombadas syenite xenolith occurrence, Ribeira Grande, São Miguel, Azores, Portugal
Locality type: | Occurrence | |
Classification | ||
---|---|---|
Species: | Astrophyllite | |
Formula: | K2NaFe72+Ti2Si8O26(OH)4F | |
Confirmation | ||
Validity: | Believed Valid | |
Data | ||
Mineral Data: | Click here to view Astrophyllite data | |
Locality Data: | Click here to view Ruins of Lombadas syenite xenolith occurrence, Ribeira Grande, São Miguel, Azores, Portugal | |
Data Identifiers | ||
Mindat Occurrence Record ID: | 1070949 | |
Long-form Identifier: | 1:3:1070949:2 | |
GUID (UUID V4): | f0c730bf-b2f9-42e8-833d-62bd14d16e77 | |
Nearest other occurrences of Astrophyllite | ||
3.7km (2.3 miles) | ⓘPumice quarry, Ribeira Grande, São Miguel, Azores, Portugal | |
References | ||
Cámara, F., Sokolova, E., Abdu, Y. A., Hawthorne, F. C., Charrier, T., Dorcet, V., Carpentier, J. -F. (2017) Fogoite-(Y), Na3Ca2Y2Ti(Si2O7)2OF3, a Group I TS-block mineral from the Lagoa do Fogo, the Fogo volcano, São Miguel Island, the Azores: Description and crystal structure. Mineralogical Magazine, 81 (2) 369-381 doi:10.1180/minmag.2016.080.103 |
Ruins of Lombadas syenite xenolith occurrence, Ribeira Grande, São Miguel, Azores, Portugal