| Locality type: | Mine |
| Classification |
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| Species: | Saponite |
| Formula: | Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O |
| Habit: | Acicular crystals in cluster to 1 mm. |
| Colour: | Usually white |
| Quality for species: | Excellent - world class for species or very significant. (!!) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Saponite data |
| Locality Data: | Click here to view Isle Royal Mines, Portage Township, Houghton County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 70203 |
| Long-form Identifier: | 1:3:70203:8 |
| GUID (UUID V4): | 83928286-ebb1-4eed-a185-37284f145d53 |
| Nearest other occurrences of Saponite |
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| 14.8km (9.2 miles) | ⓘLa Salle Mine, Osceola Township, Houghton County, Michigan, USA |
| 16.2km (10.0 miles) | ⓘLaurium Mine, Osceola Township, Houghton County, Michigan, USA |
| 16.9km (10.5 miles) | ⓘOsceola Amygdaloid, Osceola Township, Houghton County, Michigan, USA |
| 18.8km (11.7 miles) | ⓘTamarack Mine, Tamarack, Osceola Township, Houghton County, Michigan, USA |
| 19.8km (12.3 miles) | ⓘSt. Louis Mine Exploration, Schoolcraft Township, Houghton County, Michigan, USA |
| 21.1km (13.1 miles) | ⓘNo. 2 shaft, Centennial Mine, Centennial Heights, Calumet Township, Houghton County, Michigan, USA |
| 21.9km (13.6 miles) | ⓘSouth Kearsarge Mine, Kearsarge, Calumet Township, Houghton County, Michigan, USA |
| 23.1km (14.3 miles) | ⓘWolverine No. 2 shaft, Wolverine Mine, Wolverine, Calumet Township, Houghton County, Michigan, USA |
| 26.6km (16.5 miles) | ⓘAhmeek Mine, Ahmeek, Allouez Township, Keweenaw County, Michigan, USA |
| 30.2km (18.8 miles) | ⓘIroquois Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA |
| References |
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