| Locality type: | Pass |
| Classification |
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| Species: | Opal |
| Formula: | SiO2 · nH2O |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Data |
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| Mineral Data: | Click here to view Opal data |
| Locality Data: | Click here to view Chinook Pass, Yakima County, Washington, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1013509 |
| Long-form Identifier: | 1:3:1013509:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal |
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| 62.2km (38.6 miles) | ⓘDenny Gulch, Denny Mountain, Snoqualmie Mining District, King County, Washington, USA |
| 63.3km (39.3 miles) | ⓘDenny Mountain, Snoqualmie Mining District, King County, Washington, USA |
| 64.9km (40.3 miles) | ⓘLytle-Lynch Mine, Glenoma, Morton Mining District, Lewis County, Washington, USA |
| 65.7km (40.8 miles) | ⓘBarnum-McDonnell Mine, Glenoma, Morton Mining District, Lewis County, Washington, USA |
| 65.8km (40.9 miles) | ⓘSpencer Mine, Morton, Morton Mining District, Lewis County, Washington, USA |
| 67.5km (42.0 miles) | ⓘRoy Mine, Glenoma, Morton Mining District, Lewis County, Washington, USA |
| 84.0km (52.2 miles) | ⓘSelah Butte, Yakima County, Washington, USA |
| References |
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Chinook Pass, Yakima County, Washington, USA