| Classification |
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| Species: | Opal |
| Formula: | SiO2 · nH2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Opal data |
| Locality Data: | Click here to view Spokane, Spokane County, Washington, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1011344 |
| Long-form Identifier: | 1:3:1011344:6 |
| GUID (UUID V4): | 0 |
| Localities for Opal in this Region |
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| City Quarry, Spokane, Spokane County, Washington, USA |
| Nearest other occurrences of Opal |
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| 37.9km (23.5 miles) | ⓘSetters, Kootenai County, Idaho, USA |
| 44.3km (27.5 miles) | ⓘMondovi, Lincoln County, Washington, USA |
| References |
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Spokane, Spokane County, Washington, USA