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Pumpellyite Subgroup from
No. 5 shaft, Franklin Mine, Franklin Mine, Franklin Township, Houghton County, Michigan, USA


Locality type:Shaft
Classification
Species:'Pumpellyite Subgroup' (not an IMA approved species)
Formula:Ca2XAl2[Si2O6(OH)][SiO4](OH)2A
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pumpellyite Subgroup data
Locality Data:Click here to view No. 5 shaft, Franklin Mine, Franklin Mine, Franklin Township, Houghton County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:1504232
Long-form Identifier:1:3:1504232:9
GUID (UUID V4):0
References
Rosemeyer, Tom (2022) News from the Keweenaw: Part 5—Recent Mineral Finds in Michigan’s Copper Country. Rocks & Minerals, 97 (4) 354-363 doi:10.1080/00357529.2022.2053636
 
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