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Heulandite Subgroup from
Petit Mont Blanc, Courmayeur, Aosta Valley, Italy


Classification
Species:'Heulandite Subgroup' (not an IMA approved species)
Formula:(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Heulandite Subgroup data
Locality Data:Click here to view Petit Mont Blanc, Courmayeur, Aosta Valley, Italy
Data Identifiers
Mindat Occurrence Record ID:532799
Long-form Identifier:1:3:532799:7
GUID (UUID V4):0
Nearest other occurrences of Heulandite Subgroup
1.5km (0.9 miles) ⓘMiage Glacier, Courmayeur, Aosta Valley, Italy
4.0km (2.5 miles) ⓘBrouillard Glacier, Courmayeur, Aosta Valley, Italy
36.3km (22.5 miles) ⓘNorth slope, Le Catogne, Sembrancher, Entremont, Valais, Switzerland
90.5km (56.2 miles) ⓘEgginer (Egginerhorn), Saas-Almagell, Visp, Valais, Switzerland
95.5km (59.3 miles) ⓘDahl adit, Steg-Hohtenn, Westlich Raron, Valais, Switzerland
100.0km (62.1 miles) ⓘWilerra, Wiler, Westlich Raron, Valais, Switzerland
References
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007) Minerali del Piemonte e della Valle d'Aosta - Associazione Amici del Museo "F. Eusebio" Alba.
 
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