| 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 [3], Brush Mountain, Shasta County, California, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1007584 |
| Long-form Identifier: | 1:3:1007584:5 |
| GUID (UUID V4): | 9a11f9df-a2ef-49c9-a87f-cb1b8c3f83d6 |
| Nearest other occurrences of Opal |
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| 1.4km (0.9 miles) | ⓘVenture II Mine, Haney Mountain, Shasta County, California, USA |
| 1.8km (1.1 miles) | ⓘBurney pit, Burney Spring Mountain, Shasta County, California, USA |
| 5.8km (3.6 miles) | ⓘGrefco Mine, Haney Mountain, Shasta County, California, USA |
| 6.3km (3.9 miles) | ⓘUnnamed Diatomite occurrence [1], Burney Spring Mountain, Shasta County, California, USA |
| 10.0km (6.2 miles) | ⓘUnnamed Diatomite occurrence [2], Lookout Mountain, Shasta County, California, USA |
| 10.0km (6.2 miles) | ⓘBurney Mine, Burney Spring Mountain, Shasta County, California, USA |
| 10.2km (6.3 miles) | ⓘLake Britton Quarry, Burney Spring Mountain, Shasta County, California, USA |
| 12.2km (7.6 miles) | ⓘShasta Diatomite group (Mount Shasta Silica), Burney Spring Mountain, Shasta County, California, USA |
| 12.5km (7.8 miles) | ⓘMount Shasta Silica Mine (Shasta Diatomite group), Burney Spring Mountain, Shasta County, California, USA |
| 14.1km (8.8 miles) | ⓘInsulator group, Chalk Mountain, Shasta County, California, USA |
| References |
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