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Pumpellyite Subgroup from
Isle Royal Mines, Portage Township, Houghton County, Michigan, USA


Locality type:Mine
Classification
Species:'Pumpellyite Subgroup' (not an IMA approved species)
Formula:Ca2XAl2[Si2O6(OH)][SiO4](OH)2A
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Prehnite1
Epidote1
Data
Mineral Data:Click here to view Pumpellyite Subgroup data
Locality Data:Click here to view Isle Royal Mines, Portage Township, Houghton County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:416964
Long-form Identifier:1:3:416964:2
GUID (UUID V4):0
Nearest other occurrences of Pumpellyite Subgroup
2.8km (1.7 miles) ⓘSuperior Mine (Old Superior Mine), Superior, Portage Township, Houghton County, Michigan, USA
3.6km (2.2 miles) ⓘAtlantic Mine, Atlantic Mine, Adams Township, Houghton County, Michigan, USA
3.8km (2.4 miles) ⓘHancock Mine, Hancock, Houghton County, Michigan, USA
4.5km (2.8 miles) ⓘBaltic Mine, Baltic, Adams Township, Houghton County, Michigan, USA
14.8km (9.2 miles) ⓘLa Salle Mine, Osceola Township, Houghton County, Michigan, USA
16.2km (10.0 miles) ⓘLaurium Mine, Osceola Township, Houghton County, Michigan, USA
17.3km (10.7 miles) ⓘOsceola Mine, Osceola, Calumet Township, Houghton County, Michigan, USA
17.6km (10.9 miles) ⓘNo. 21 shaft, Calumet & Hecla Mine, Calumet, Calumet Township, Houghton County, Michigan, USA
18.8km (11.7 miles) ⓘCalumet & Hecla Mine, Calumet, Calumet Township, Houghton County, Michigan, USA
19.5km (12.1 miles) ⓘRed Jacket Shaft, Calumet & Hecla Mine, Calumet, Calumet Township, Houghton County, Michigan, USA
References
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
 
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