| Locality type: | Shaft |
| Classification |
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| Species: | Datolite |
| Formula: | CaB(SiO4)(OH) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Datolite data |
| Locality Data: | Click here to view Isle Royal No. 2 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 306157 |
| Long-form Identifier: | 1:3:306157:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Datolite |
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| 0.9km (0.6 miles) | ⓘPortage Mine (Grand Portage Mine), Houghton, Houghton County, Michigan, USA |
| 1.1km (0.7 miles) | ⓘSheldon-Columbian Mine, Houghton, Houghton County, Michigan, USA |
| 1.3km (0.8 miles) | ⓘHuron Mine (Houghton Mine), Houghton, Houghton County, Michigan, USA |
| 1.3km (0.8 miles) | ⓘIsle Royal Mines, Portage Township, Houghton County, Michigan, USA |
| 2.5km (1.5 miles) | ⓘIsle Royal No. 6 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA |
| 3.0km (1.9 miles) | ⓘHancock Mine, Hancock, Houghton County, Michigan, USA |
| 3.2km (2.0 miles) | ⓘQuincy Mine, Quincy Township, Houghton County, Michigan, USA |
| 3.7km (2.3 miles) | ⓘPewabic Mine, Pewabic, Franklin Township, Houghton County, Michigan, USA |
| 4.0km (2.5 miles) | ⓘFranklin Mine, Franklin Mine, Franklin Township, Houghton County, Michigan, USA |
| 4.1km (2.5 miles) | ⓘSuperior Mine (Old Superior Mine), Superior, Portage Township, Houghton County, Michigan, USA |
| References |
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Isle Royal No. 2 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA