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Montesommaite from
Pollena quarries, Pollena - Trocchia area, Monte Somma, Somma-Vesuvius Complex, Naples, Campania, Italy

Locality type:Quarry
Classification
Species:Montesommaite
Formula:(K,Na)9Al9Si23O64 · 10H2O
Confirmation
Validity:Valid - Type Locality
References
References:Rouse, R.C., Dunn, P.J., Grice, J.D., Schlenker, J.L., Higgins, J.B. (1990): Montesommaite, (K,Na)9Al9Si23O64•10H2O,a new zeolite related to merlinoite and the gismondine group. American Mineralogist, 75, 1415-1420
Associated Minerals Based on Photo Data:
Phillipsite-K1 photo of Montesommaite associated with Phillipsite-K at this locality.
Merlinoite1 photo of Montesommaite associated with Merlinoite at this locality.
Data
Mineral Data:Click here to view Montesommaite data
Locality Data:Click here to view Pollena quarries, Pollena - Trocchia area, Monte Somma, Somma-Vesuvius Complex, Naples, Campania, Italy
Nearest other occurrences of Montesommaite
2.8km (1.7 miles) A Trapolino quarry (Cava nuova), Sant'Anastasia, Monte Somma, Somma-Vesuvius Complex, Naples, Campania, Italy
4.0km (2.5 miles) B San Vito quarry, San Vito, Ercolano, Monte Somma, Somma-Vesuvius Complex, Naples, Campania, Italy
Mineral and/or Locality  
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