| Locality type: | Placer |
| Classification |
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| Species: | Corundum var: Sapphire |
| Formula: | Al2O3 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Sapphire data |
| Locality Data: | Click here to view Dry Cottonwood placer, Dry Cottonwood Creek, Orofino Mining District, Deer Lodge County, Montana, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 718644 |
| Long-form Identifier: | 1:3:718644:8 |
| GUID (UUID V4): | 8d3cf1e6-6d06-4577-9de9-a7ed515b9a0a |
| Nearest other occurrences of Sapphire |
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| 22.5km (14.0 miles) | ⓘSteward Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA |
| 73.8km (45.9 miles) | ⓘGem Mountain Sapphire Mine (American Sapphire Gem Mine; Chaussee Sapphire Mine), Rock Creek Mining District, Granite County, Montana, USA |
| 74.5km (46.3 miles) | ⓘRock Creek Sapphire (American Sapphire Gem Mine; Gem Mountain Mine; Anaconda-Sapphire Gulches; Chaussee Sapphire Corp. Mine; American Gem Corp.), Rock Creek Mining District, Granite County, Montana, USA |
| 82.1km (51.0 miles) | ⓘSpokane Bar (American Gem Corp.; Spokane Bar Sapphire Mine), Lewis and Clark County, Montana, USA |
| 83.7km (52.0 miles) | ⓘMissouri River gravel bar, Helena area, Helena Mining District (Spring Hill Mining District), Lewis and Clark County, Montana, USA |
| 85.0km (52.8 miles) | ⓘEldorado Bar deposit (Eldorado Strip Mine), Eldorado Bar, East Helena, Lewis and Clark County, Montana, USA |
| 99.7km (62.0 miles) | ⓘNorris Deposit, Madison County, Montana, USA |
| References |
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