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Laumontite from
Horseshoe Harbor, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA


Locality type:Conservation Area
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 Horseshoe Harbor, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:406285
Long-form Identifier:1:3:406285:1
GUID (UUID V4):0
Nearest other occurrences of Laumontite
4.3km (2.7 miles) ⓘNew York and Michigan Exploration, Grant Township, Keweenaw County, Michigan, USA
4.4km (2.7 miles) ⓘHays Point, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
4.7km (2.9 miles) ⓘVulcan Exploration Copper Mine, Grant Township, Keweenaw County, Michigan, USA
5.2km (3.2 miles) ⓘManganese Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
5.4km (3.4 miles) ⓘClark Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
5.7km (3.5 miles) ⓘLac La Belle exploration, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA
6.5km (4.0 miles) ⓘPoint Prospect, Grant Township, Keweenaw County, Michigan, USA
6.9km (4.3 miles) ⓘMontreal Mine, Mosquito Mining District, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
9.0km (5.6 miles) ⓘHoar Creek, Grant Township, Keweenaw County, Michigan, USA
9.4km (5.8 miles) ⓘLakeshore traps, Eagle Harbor Township, Keweenaw 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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