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Laumontite from
Isle Royal No. 4 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA


Locality type:Shaft
Classification
Species:Laumontite
Formula:CaAl2Si4O12 · 4H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Laumontite data
Locality Data:Click here to view Isle Royal No. 4 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:401050
Long-form Identifier:1:3:401050:0
GUID (UUID V4):0
Nearest other occurrences of Laumontite
0.0km (0.0 miles) ⓘIsle Royal Mines, Portage Township, Houghton County, Michigan, USA
0.6km (0.3 miles) ⓘIsle Royal No. 5 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA
1.0km (0.6 miles) ⓘHuron Mine (Houghton Mine), Houghton, Houghton County, Michigan, USA
1.2km (0.7 miles) ⓘIsle Royal No. 6 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA
1.5km (1.0 miles) ⓘHuron Creek occurrences, Houghton, Houghton County, Michigan, USA
2.8km (1.7 miles) ⓘSuperior Mine (Old Superior Mine), Superior, Portage Township, Houghton County, Michigan, USA
3.8km (2.3 miles) ⓘHancock Mine, Hancock, Houghton County, Michigan, USA
4.3km (2.7 miles) ⓘQuincy Mine, Quincy Township, Houghton County, Michigan, USA
4.5km (2.8 miles) ⓘBaltic Mine, Baltic, Adams Township, Houghton County, Michigan, USA
5.2km (3.2 miles) ⓘFranklin Mine, Franklin Mine, Franklin 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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