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Heulandite Subgroup from
Islets, Kupreanof Island, Petersburg Borough, Alaska, USA


Locality type:Islet
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 Islets, Kupreanof Island, Petersburg Borough, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:575008
Long-form Identifier:1:3:575008:5
GUID (UUID V4):0
Nearest other occurrences of Heulandite Subgroup
0.0km (0.0 miles) ⓘRocky Pass, Petersburg Borough, Alaska, USA
References
June 1997
v. 35
no. 3
p. 691-698
 
and/or  
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