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Prehnite from
Waterbury Mine, Eagle Harbor Township, Keweenaw County, Michigan, USA


Locality type:Mine
Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Native Copper1
Quartz1
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Waterbury Mine, Eagle Harbor Township, Keweenaw County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:417778
Long-form Identifier:1:3:417778:4
GUID (UUID V4):0
Nearest other occurrences of Prehnite
1.4km (0.9 miles) ⓘDrexel Mine, Eagle Harbor Township, Keweenaw County, Michigan, USA
1.7km (1.1 miles) ⓘConnecticut Mine, Eagle Harbor Township, Keweenaw County, Michigan, USA
2.6km (1.6 miles) ⓘDelaware Mine (Delaware Conglomerate Mine), Delaware, Grant Township, Keweenaw County, Michigan, USA
2.8km (1.8 miles) ⓘLookout Point (Thomsonite Hill), Eagle Harbor Township, Keweenaw County, Michigan, USA
4.1km (2.6 miles) ⓘCentral Exploration Mine, Central, Houghton Township, Keweenaw County, Michigan, USA
4.6km (2.9 miles) ⓘNorthwestern Mine, Central, Houghton Township, Keweenaw County, Michigan, USA
4.7km (2.9 miles) ⓘCopper Falls Mine, Copper Falls, Eagle Harbor Township, Keweenaw County, Michigan, USA
4.8km (3.0 miles) ⓘOwl Creek, Copper Falls, Eagle Harbor Township, Keweenaw County, Michigan, USA
5.2km (3.2 miles) ⓘCentral Mine, Central, Houghton Township, Keweenaw County, Michigan, USA
5.2km (3.2 miles) ⓘPetherick Mine, Copper Falls, 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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