| Locality type: | Quarry |
| Classification |
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| Species: | 'Biotite' (not an IMA approved species) |
| Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Opelt Quarry, Neillsville, Clark County, Wisconsin, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 843596 |
| Long-form Identifier: | 1:3:843596:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 23.0km (14.3 miles) | ⓘJackson County Iron Mine (Black River Falls Mine; Ron Mound; Seven Mile Mound Mine; Red Mound), Jackson County, Wisconsin, USA |
| 34.9km (21.7 miles) | ⓘCounty quarry, Cary Mound area quarries, Wood County, Wisconsin, USA |
| 53.4km (33.2 miles) | ⓘLong Branch Quarry, Clark County, Wisconsin, USA |
| 60.9km (37.9 miles) | ⓘLittle Falls, Eau Claire County, Wisconsin, USA |
| 63.7km (39.6 miles) | ⓘTork and Haessley Company quarries, Wisconsin Rapids, Wood County, Wisconsin, USA |
| 73.5km (45.7 miles) | ⓘWissota Dam, Lake Wissota, Chippewa County, Wisconsin, USA |
| 79.4km (49.3 miles) | ⓘJim Falls, Chippewa County, Wisconsin, USA |
| 80.9km (50.3 miles) | ⓘKoss pit, Nine Mile Pluton, Wausau Intrusive Complex, Marathon County, Wisconsin, USA |
| 85.7km (53.2 miles) | ⓘStevens Point, Portage County, Wisconsin, USA |
| 87.4km (54.3 miles) | ⓘBeilke Quarry, Nine Mile Pluton, Wausau Intrusive Complex, Marathon County, Wisconsin, USA |
| References |
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