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Prehnite from
Copper Falls Mine, Copper Falls, 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:
Datolite3
Native Copper3
Native Silver1
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Copper Falls Mine, Copper Falls, Eagle Harbor Township, Keweenaw County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:59232
Long-form Identifier:1:3:59232:5
GUID (UUID V4):0
Nearest other occurrences of Prehnite
0.3km (0.2 miles) ⓘOwl Creek, Copper Falls, Eagle Harbor Township, Keweenaw County, Michigan, USA
0.6km (0.4 miles) ⓘPetherick Mine, Copper Falls, Eagle Harbor Township, Keweenaw County, Michigan, USA
2.1km (1.3 miles) ⓘNorthwestern Mine, Central, Houghton Township, Keweenaw County, Michigan, USA
2.2km (1.3 miles) ⓘCentral Mine, Central, Houghton Township, Keweenaw County, Michigan, USA
3.3km (2.1 miles) ⓘLookout Point (Thomsonite Hill), Eagle Harbor Township, Keweenaw County, Michigan, USA
3.4km (2.1 miles) ⓘCentral Exploration Mine, Central, Houghton Township, Keweenaw County, Michigan, USA
4.7km (2.9 miles) ⓘWaterbury Mine, Eagle Harbor Township, Keweenaw County, Michigan, USA
5.4km (3.4 miles) ⓘMeadow Mine, Phoenix, Houghton Township, Keweenaw County, Michigan, USA
6.0km (3.7 miles) ⓘDrexel Mine, Eagle Harbor Township, Keweenaw County, Michigan, USA
6.3km (3.9 miles) ⓘConnecticut Mine, 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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