| Locality type: | Mine |
| Classification |
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| Species: | Laumontite |
| Formula: | CaAl2Si4O12 · 4H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Pumpellyite Subgroup | 6 |
| Quartz | 4 |
| - var Agate | 4 |
| Data |
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| Mineral Data: | Click here to view Laumontite data |
| Locality Data: | Click here to view St. Louis Mine Exploration, Schoolcraft Township, Houghton County, Michigan, USA |
| Photo Gallery | View Gallery (4 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 853699 |
| Long-form Identifier: | 1:3:853699:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Laumontite |
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| 2.8km (1.8 miles) | ⓘNo. 2 shaft, Centennial Mine, Centennial Heights, Calumet Township, Houghton County, Michigan, USA |
| 3.2km (2.0 miles) | ⓘCentennial Mine, Centennial Heights, Calumet Township, Houghton County, Michigan, USA |
| 3.3km (2.1 miles) | ⓘCalumet & Hecla Mine, Calumet, Calumet Township, Houghton County, Michigan, USA |
| 3.7km (2.3 miles) | ⓘOsceola Mine, Osceola, Calumet Township, Houghton County, Michigan, USA |
| 3.8km (2.4 miles) | ⓘOsceola Amygdaloid, Osceola Township, Houghton County, Michigan, USA |
| 4.2km (2.6 miles) | ⓘLaurium Mine, Osceola Township, Houghton County, Michigan, USA |
| 4.2km (2.6 miles) | ⓘTamarack Junior Mine (Tamarack Jr. Mine), Centennial Heights, Calumet Township, Houghton County, Michigan, USA |
| 4.8km (3.0 miles) | ⓘTamarack, Osceola Township, Houghton County, Michigan, USA |
| 6.5km (4.1 miles) | ⓘArsenide Fissure, Ahmeek Mine, Ahmeek, Allouez Township, Keweenaw County, Michigan, USA |
| 7.2km (4.5 miles) | ⓘMass Fissure, Ahmeek Mine, Ahmeek, Allouez Township, Keweenaw County, Michigan, USA |
| References |
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St. Louis Mine Exploration, Schoolcraft Township, Houghton County, Michigan, USA