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Prehnite from
Vulcan Exploration Copper Mine, Grant Township, Keweenaw County, Michigan, USA


Locality type:Mine
Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Vulcan Exploration Copper Mine, Grant Township, Keweenaw County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:399271
Long-form Identifier:1:3:399271:5
GUID (UUID V4):0
Nearest other occurrences of Prehnite
1.5km (0.9 miles) ⓘLac La Belle exploration, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA
1.6km (1.0 miles) ⓘNew York and Michigan Exploration, Grant Township, Keweenaw County, Michigan, USA
2.0km (1.2 miles) ⓘPoint Prospect, Grant Township, Keweenaw County, Michigan, USA
3.9km (2.4 miles) ⓘKeystone Bay/Point, Grant Township, Keweenaw County, Michigan, USA
5.4km (3.4 miles) ⓘCape Mine, Mosquito Mining District, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
5.4km (3.4 miles) ⓘStar Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
5.5km (3.4 miles) ⓘClark Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
6.2km (3.9 miles) ⓘManganese Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
8.5km (5.3 miles) ⓘCopper Harbor, Grant Township, Keweenaw County, Michigan, USA
10.4km (6.4 miles) ⓘAetna Exploration Copper Mine, Grant Township, Keweenaw County, Michigan, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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