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Prehnite from
New York and Michigan Exploration, Grant Township, Keweenaw County, Michigan, USA


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 New York and Michigan Exploration, Grant Township, Keweenaw County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:399259
Long-form Identifier:1:3:399259:3
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) ⓘVulcan Exploration Copper Mine, Grant Township, Keweenaw County, Michigan, USA
3.5km (2.2 miles) ⓘPoint Prospect, Grant Township, Keweenaw County, Michigan, USA
3.8km (2.4 miles) ⓘCape Mine, Mosquito Mining District, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
3.9km (2.4 miles) ⓘStar Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
3.9km (2.4 miles) ⓘClark Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
4.7km (2.9 miles) ⓘManganese Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
5.3km (3.3 miles) ⓘKeystone Bay/Point, Grant Township, Keweenaw County, Michigan, USA
7.0km (4.3 miles) ⓘCopper Harbor, Grant Township, Keweenaw County, Michigan, USA
8.8km (5.5 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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