| Locality type: | Area |
| 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 Guy Hill pegmatite area, Jefferson County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 430584 |
| Long-form Identifier: | 1:3:430584:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Sillimanite |
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| 5.2km (3.2 miles) | ⓘLadwig Group (Ladwig No. 2; Ladwig No. 3; Claims: Ladwig No. 1), Ralston Buttes Mining District, Jefferson County, Colorado, USA |
| 11.0km (6.8 miles) | ⓘAjax Mica Mine (Floyd Hill Mica Mine), Clear Creek Pegmatite Province, Clear Creek County, Colorado, USA |
| 11.3km (7.0 miles) | ⓘCreswell Mine, Bergen Park area, Jefferson County, Colorado, USA |
| 13.1km (8.1 miles) | ⓘUnnamed Rutile Occurrence (MRDS - 10090176), Clear Creek Pegmatite Province, Jefferson County, Colorado, USA |
| 14.4km (9.0 miles) | ⓘVigilant; Banta Hill; Gold; Bunkhouse Occurrence, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA |
| 15.5km (9.6 miles) | ⓘBonanza, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA |
| 17.7km (11.0 miles) | ⓘOld Town Shaft, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA |
| 18.3km (11.4 miles) | ⓘJennie Lind Tunnel No. 1, Idaho Springs, Lawson Mining District, Clear Creek County, Colorado, USA |
| 22.0km (13.7 miles) | ⓘTurkey Creek, Jefferson County, Colorado, USA |
| 26.7km (16.6 miles) | ⓘMurry Mine, Lawson Mining District, Clear Creek County, Colorado, USA |
| References |
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