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Heulandite Subgroup from
Engles Mine, Lights Creek Copper deposits (Moonlight Mine; Sulfide Ridge deposits; Lights Canyon deposits), Moonlight Peak, Taylorsville Mining District, Plumas Copper Belt, Plumas County, California, USA


Locality type:Mine
Classification
Species:'Heulandite Subgroup' (not an IMA approved species)
Formula:(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Comments:Occurs abundantly replacing feldspar.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Feldspar Group
Data
Mineral Data:Click here to view Heulandite Subgroup data
Locality Data:Click here to view Engles Mine, Lights Creek Copper deposits (Moonlight Mine; Sulfide Ridge deposits; Lights Canyon deposits), Moonlight Peak, Taylorsville Mining District, Plumas Copper Belt, Plumas County, California, USA
Data Identifiers
Mindat Occurrence Record ID:135658
Long-form Identifier:1:3:135658:8
GUID (UUID V4):0
References
Graton, Louis Caryl, McLaughlin, D. H. (1917) Ore deposition and enrichment at Engels, California. Economic Geology, 12 (1) 1-38 doi:10.2113/gsecongeo.12.1.1p.18
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 219
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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