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Heulandite Subgroup from
Owyhee Dam, Lake Owyhee State Park, Malheur County, Oregon, USA


09830720017864195533017.jpg
Heulandite Subgroup, etc.

Owyhee Dam, Lake Owyhee State Park, Malheur County, Oregon, USA
04945800017864195546390.jpg
Heulandite Subgroup, etc.

Owyhee Dam, Lake Owyhee State Park, Malheur County, Oregon, USA
07061110017368564541990.jpg
Heulandite Subgroup, etc.

Owyhee Dam, Lake Owyhee State Park, Malheur County, Oregon, USA
04945800017864195546390.jpg
Heulandite Subgroup, etc.

Owyhee Dam, Lake Owyhee State Park, Malheur County, Oregon, USA
07061110017368564541990.jpg
Heulandite Subgroup, etc.

Owyhee Dam, Lake Owyhee State Park, Malheur County, Oregon, USA
03264840017864195551026.jpg
Heulandite Subgroup, etc.

Owyhee Dam, Lake Owyhee State Park, Malheur County, Oregon, USA
Locality type:Dam
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
Associated Minerals Based on Photo Data:
Cavansite20
Apophyllite Group7
Pentagonite6
Stilbite Subgroup3
Calcite3
Data
Mineral Data:Click here to view Heulandite Subgroup data
Locality Data:Click here to view Owyhee Dam, Lake Owyhee State Park, Malheur County, Oregon, USA
Data Identifiers
Mindat Occurrence Record ID:19550
Long-form Identifier:1:3:19550:2
GUID (UUID V4):0
Nearest other occurrences of Heulandite Subgroup
51.9km (32.3 miles) ⓘSuccor Creek, Malheur County, Oregon, USA
54.3km (33.7 miles) ⓘSheaville Zeolite Occurrence, Malheur County, Oregon, USA
References
Staples, Lloyd W., Evans, Howard T., Lindsay, and James R. (1973) Cavansite and pentagonite, new dimorphous calcium vanadium silicate minerals from Oregon. American Mineralogist, 58 (5-6) 405-411
 
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