| Locality type: | Mine |
| Classification |
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| Species: | Thomsonite-Ca |
| Formula: | NaCa2[Al5Si5O20] · 6H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Thomsonite-Ca data |
| Locality Data: | Click here to view Copper Falls Mine, Copper Falls, Eagle Harbor Township, Keweenaw County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 59234 |
| Long-form Identifier: | 1:3:59234:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Thomsonite-Ca |
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| 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 |
| 7.1km (4.4 miles) | ⓘDelaware Mine (Delaware Conglomerate Mine), Delaware, Grant Township, Keweenaw County, Michigan, USA |
| 11.0km (6.8 miles) | ⓘCliff Mine, Allouez Township, Keweenaw County, Michigan, USA |
| 25.1km (15.6 miles) | ⓘClark Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| References |
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