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Thomsonite-Ca from
Cliff Mine, Allouez 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 Cliff Mine, Allouez Township, Keweenaw County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:57728
Long-form Identifier:1:3:57728:3
GUID (UUID V4):0
Nearest other occurrences of Thomsonite-Ca
9.6km (5.9 miles) ⓘCentral Mine, Central, Houghton Township, Keweenaw County, Michigan, USA
11.0km (6.8 miles) ⓘCopper Falls Mine, Copper Falls, Eagle Harbor Township, Keweenaw County, Michigan, USA
14.3km (8.9 miles) ⓘLookout Point (Thomsonite Hill), Eagle Harbor Township, Keweenaw County, Michigan, USA
17.2km (10.7 miles) ⓘDelaware Mine (Delaware Conglomerate Mine), Delaware, Grant Township, Keweenaw County, Michigan, USA
35.1km (21.8 miles) ⓘClark Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
References
Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.
Morris, Tom (1983) Michigan Mineralogy. A locality Index. Rocks & Minerals, 58 (3). 107-113 doi:10.1080/00357529.1983.11767128pages 111, 121
 
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