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Apophyllite Group from
Humåtak, Guam, USA


04030160017368893357989.jpg
Apophyllite Group, etc.

Humåtak, Guam, USA

04030160017368893357989.jpg
Apophyllite Group, etc.

Humåtak, Guam, USA
09027090017272077169750.jpg
Apophyllite Group, etc.

Humåtak, Guam, USA
Locality type:Village
Classification
Species:'Apophyllite Group' (not an IMA approved species)
Formula:AB4[Si8O20]X · 8H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Natrolite1
Data
Mineral Data:Click here to view Apophyllite Group data
Locality Data:Click here to view Humåtak, Guam, USA
Data Identifiers
Mindat Occurrence Record ID:603315
Long-form Identifier:1:3:603315:6
GUID (UUID V4):0
References
Specimen pictured in the collection of the Smithsonian Institute.
 
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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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