Classification |
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Species: | Erionite-Ca |
Formula: | (Ca,K2,Na2)2[Al4Si14O36] · 15H2O |
Comments: | Offretite crystals from this locality show a high density of erionite faults in the crystal structure (TEM investigation) |
Habit: | submicroscopic |
Quality for species: | Rock forming mineral/non-crystalline/little interest for collectors.(##) |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Erionite-Ca data |
Locality Data: | Click here to view Le Collet, Araules, Yssingeaux, Haute-Loire, Auvergne-Rhône-Alpes, France |
Data Identifiers |
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Mindat Occurrence Record ID: | 231197 |
Long-form Identifier: | 1:3:231197:5 |
GUID (UUID V4): | 764f889f-fdca-4608-be00-aaca3602d9bc |
References |
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Gualtieri, A., Artioli, G., Passaglia, E., Bigi, S., Viani, A., Hanson, J. C. (1998) Crystal structure-crystal chemistry relationships in the zeolites erionite and offretite. American Mineralogist, 83 (5) 590-606 doi:10.2138/am-1998-5-619 |