| Locality type: | Prospect |
| Classification |
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| Species: | Sillimanite |
| Formula: | Al2(SiO4)O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Sillimanite data |
| Locality Data: | Click here to view Horse Creek Talc Prospect, Sheridan Mining District (Mill Creek Mining District; Wisconsin Mining District), Madison County, Montana, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 498480 |
| Long-form Identifier: | 1:3:498480:1 |
| GUID (UUID V4): | ba662ce7-6f12-4091-9dda-606ac8699c64 |
| Nearest other occurrences of Sillimanite |
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| 16.7km (10.4 miles) | ⓘSkunk Creek outcrops, Madison County, Montana, USA |
| 30.6km (19.0 miles) | ⓘStone Creek Deposits, Ruby Range, Madison County, Montana, USA |
| 30.9km (19.2 miles) | ⓘUnnamed Kyanite Occurrence (MRDS - 10019827), Ruby Range, Madison County, Montana, USA |
| 33.3km (20.7 miles) | ⓘUnnamed Kyanite Occurrence (MRDS - 10019829), Ruby Range, Madison County, Montana, USA |
| 33.9km (21.1 miles) | ⓘUnnamed Kyanite Occurrence (MRDS - 10019830), Ruby Range, Madison County, Montana, USA |
| 35.3km (21.9 miles) | ⓘUnnamed Copper Prospect (MRDS - 10013904), Greenhorn Range, Madison County, Montana, USA |
| 36.1km (22.5 miles) | ⓘUnnamed Kyanite Occurrence (MRDS - 10019204), Ruby Range, Madison County, Montana, USA |
| 36.6km (22.7 miles) | ⓘUnnamed Kyanite Occurrence (MRDS - 10019202), Ruby Range, Madison County, Montana, USA |
| 37.2km (23.1 miles) | ⓘChristensen Deposit, Ruby Range, Madison County, Montana, USA |
| 37.4km (23.2 miles) | ⓘUnnamed Kyanite Occurrence (MRDS - 10019203), Ruby Range, Madison County, Montana, USA |
| References |
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