Locality type: | Volcanic Complex |
Classification |
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Species: | Annite |
Formula: | KFe32+(AlSi3O10)(OH)2 |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Annite data |
Locality Data: | Click here to view Água de Pau Volcano, São Miguel, Azores, Portugal |
Photo Gallery | View Gallery (4 photos) |
Data Identifiers |
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Mindat Occurrence Record ID: | 318860 |
Long-form Identifier: | 1:3:318860:6 |
GUID (UUID V4): | 467c5278-d41a-418e-9b7a-35f7788a88ad |
References |
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Ridolfi, F., Renzulli, A., Santi, P., Upton, B.G.J., Evolutionary stages of crystallisation of weakly peralkine syenites: evidence from ejecta in the plinian deposits of Agua de Pau volcano (Sao Miguel, Azores Islands), Mineralogical Magazine, 67(4), 749-767, 2003 |
Água de Pau Volcano, São Miguel, Azores, Portugal