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Thomsonite-Ca from
Clark Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA


Locality type:Mine
Classification
Species:Thomsonite-Ca
Formula:NaCa2[Al5Si5O20] · 6H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Thomsonite-Ca data
Locality Data:Click here to view Clark Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:58220
Long-form Identifier:1:3:58220:3
GUID (UUID V4):0
Nearest other occurrences of Thomsonite-Ca
18.1km (11.2 miles) ⓘDelaware Mine (Delaware Conglomerate Mine), Delaware, Grant Township, Keweenaw County, Michigan, USA
22.0km (13.7 miles) ⓘLookout Point (Thomsonite Hill), Eagle Harbor Township, Keweenaw County, Michigan, USA
25.1km (15.6 miles) ⓘCopper Falls Mine, Copper Falls, Eagle Harbor Township, Keweenaw County, Michigan, USA
25.8km (16.0 miles) ⓘCentral Mine, Central, Houghton Township, Keweenaw County, Michigan, USA
35.1km (21.8 miles) ⓘCliff Mine, Allouez Township, Keweenaw County, Michigan, USA
References
Morris, Tom (1983) Michigan Mineralogy. A locality Index. Rocks & Minerals, 58 (3). 107-113 doi:10.1080/00357529.1983.11767128p.111
 
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