| Locality type: | Occurrence |
| Classification |
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| Species: | 'Plagioclase' (not an IMA approved species) |
| Formula: | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Plagioclase data |
| Locality Data: | Click here to view Boulder River Ni-Cu Riverside Occurrence (Riverside Prospect), Sweet Grass County, Montana, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 496714 |
| Long-form Identifier: | 1:3:496714:9 |
| GUID (UUID V4): | 8e152727-4354-42a7-bbae-a1be0ada40f3 |
| Nearest other occurrences of Plagioclase |
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| 2.3km (1.4 miles) | ⓘNicon Occurrence, Park County, Montana, USA |
| 4.6km (2.8 miles) | ⓘBoulder River Ni-Cu East Occurrence, Sweet Grass County, Montana, USA |
| 5.2km (3.2 miles) | ⓘFrog Pond West Occurrence (J-M Reef), Sweet Grass County, Montana, USA |
| 7.4km (4.6 miles) | ⓘChrome Mountain Ni-Cu Occurrence, Sweet Grass County, Montana, USA |
| 9.2km (5.7 miles) | ⓘForge Ni-Cu Occurrence (Boulder Forge; Placer Basin), Sweet Grass County, Montana, USA |
| 9.5km (5.9 miles) | ⓘEast Boulder Mine (East Boulder project prospect; Frog Pond adit; Frog Pond audit; Jack Pine project; J-M Reef), Sweet Grass County, Montana, USA |
| 11.9km (7.4 miles) | ⓘPicket Pins prospect (Picket Pin occurrence), Sweet Grass County, Montana, USA |
| 12.1km (7.5 miles) | ⓘIron Mountain Ni-Cu Camp Occurrence, Sweet Grass County, Montana, USA |
| 13.4km (8.3 miles) | ⓘMonkey East Camp Zone Occurrence (J-M Reef), Sweet Grass County, Montana, USA |
| 14.0km (8.7 miles) | ⓘIron Mountain Ni-Cu Iron Creek Occurrence, Sweet Grass County, Montana, USA |
| References |
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