| Locality type: | Occurrence |
| Classification |
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| Species: | 'Tourmaline' (not an IMA approved species) |
| Formula: | AD3G6(T6O18)(BO3)3X3Z |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Tourmaline data |
| Locality Data: | Click here to view Seven Hills - Yetter Ranch Pegmatite Occurrence, Clear Creek Pegmatite Province, Jefferson County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 377620 |
| Long-form Identifier: | 1:3:377620:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Tourmaline |
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| 2.3km (1.4 miles) | ⓘBurroughs Mine (Traut-Rudin-Anderson Pegmatite; Sunrise Peak Mine), Clear Creek pegmatite Province, Jefferson County, Colorado, USA |
| 8.0km (5.0 miles) | ⓘHiwan Ranch, Clear Creek Pegmatite Province, Jefferson County, Colorado, USA |
| 12.4km (7.7 miles) | ⓘIowa Gulch Occurrence (Iowa Gulch Pegmatite), Jefferson County, Colorado, USA |
| 12.9km (8.0 miles) | ⓘGrover Mine (Grover pegmatite; Windsor), Clear Creek County, Colorado, USA |
| 13.0km (8.0 miles) | ⓘFred Pierce Ranch (Ramstetter Quarry), Front Range, Jefferson County, Colorado, USA |
| 13.0km (8.0 miles) | ⓘG. H. Buckman Ranch, Front Range, Jefferson County, Colorado, USA |
| 13.6km (8.5 miles) | ⓘFenders - Magnotte Pegmatite Occurrence, Jefferson County, Colorado, USA |
| 14.0km (8.7 miles) | ⓘAjax Mica Mine (Floyd Hill Mica Mine), Clear Creek Pegmatite Province, Clear Creek County, Colorado, USA |
| 14.2km (8.8 miles) | ⓘBigger Mica Mine (Sweitzer Lode), Clear Creek pegmatite Province, Jefferson County, Colorado, USA |
| 14.3km (8.9 miles) | ⓘRobinson Gulch pegmatite, Clear Creek pegmatite Province, Jefferson County, Colorado, USA |
| References |
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