| Locality type: | Mine |
| 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 Northwestern Mine, Central, Houghton Township, Keweenaw County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 101945 |
| Long-form Identifier: | 1:3:101945:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Datolite |
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| 0.5km (0.3 miles) | ⓘCentral Mine, Central, Houghton Township, Keweenaw County, Michigan, USA |
| 0.6km (0.4 miles) | ⓘDana Mine, Central, Houghton Township, Keweenaw County, Michigan, USA |
| 1.5km (0.9 miles) | ⓘCentral Exploration Mine, Central, Houghton Township, Keweenaw County, Michigan, USA |
| 1.8km (1.1 miles) | ⓘAshbed Mine, Copper Falls, Eagle Harbor Township, Keweenaw County, Michigan, USA |
| 1.9km (1.2 miles) | ⓘPetherick Mine, Copper Falls, Eagle Harbor Township, Keweenaw County, Michigan, USA |
| 2.1km (1.3 miles) | ⓘCopper Falls Mine, Copper Falls, Eagle Harbor Township, Keweenaw County, Michigan, USA |
| 2.5km (1.5 miles) | ⓘOwl Creek Fissure Mine, Copper Falls Mine, Copper Falls, Eagle Harbor Township, Keweenaw County, Michigan, USA |
| 2.6km (1.6 miles) | ⓘHill Fissure Mine, Copper Falls Mine, Copper Falls, Eagle Harbor Township, Keweenaw County, Michigan, USA |
| 4.1km (2.5 miles) | ⓘJacobs Creek, Houghton Township, Keweenaw County, Michigan, USA |
| 4.5km (2.8 miles) | ⓘAgency Mine, Eagle Harbor Township, Keweenaw County, Michigan, USA |
| References |
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