| Classification |
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| Species: | 'Feldspar Group' (not an IMA approved species) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Feldspar Group data |
| Locality Data: | Click here to view Dumortierite Pegmatite Locality (MRDS - 10019821), Madison County, Montana, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1018087 |
| Long-form Identifier: | 1:3:1018087:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Feldspar Group |
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| 74.2km (46.1 miles) | ⓘHomestake Pass, Boulder Batholith, Jefferson County, Montana, USA |
| 76.2km (47.3 miles) | ⓘAlbitite, West Gallatin Mining District, Gallatin County, Montana, USA |
| 81.4km (50.6 miles) | ⓘBlack Gem Pegmatite, Delmoe Lake area, Boulder Batholith, Jefferson County, Montana, USA |
| 96.1km (59.7 miles) | ⓘLucky Horseshoe prospect, Lemhi Pass Mining District, Lemhi County, Idaho, USA |
| References |
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