| Locality type: | Occurrence |
| 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 Unnamed Diatomite occurrence [1], Boise Mining District, Ada County, Idaho, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 997498 |
| Long-form Identifier: | 1:3:997498:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal |
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| 6.7km (4.1 miles) | ⓘUnnamed Diatomite occurrence [2], Boise Mining District, Ada County, Idaho, USA |
| 15.5km (9.6 miles) | ⓘDiatomite Occurrence (MRDS - 10089089), Boise Mining District, Ada County, Idaho, USA |
| 34.0km (21.1 miles) | ⓘSquaw Butte, Emmett, Gem County, Idaho, USA |
| 34.1km (21.2 miles) | ⓘMoore Creek, Idaho City, Idaho City Mining District, Boise County, Idaho, USA |
| 44.7km (27.8 miles) | ⓘDiatomite Occurrence (MRDS - 10070230), Cascade Area, Gem County, Idaho, USA |
| 53.6km (33.3 miles) | ⓘOpaline, Owyhee County, Idaho, USA |
| 56.9km (35.4 miles) | ⓘPumice Occurrence (MRDS - 10070280), Marsing Area, Owyhee County, Idaho, USA |
| 57.8km (35.9 miles) | ⓘDiatomite Occurrence (MRDS - 10106007), Reynolds Area, Owyhee County, Idaho, USA |
| 66.1km (41.1 miles) | ⓘIdaho Almaden Mine (Nutmeg; U.S.A. Anna; Almaden; Almaden Project), Weiser Mining District, Washington County, Idaho, USA |
| 66.9km (41.6 miles) | ⓘHelen Zucker Prospect (Zucker Property; Parker Group), Weiser Mining District, Washington County, Idaho, USA |
| References |
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