| Locality type: | Mine |
| Classification |
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| Species: | Quartz var: Chalcedony |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals: |
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| Associates: | Cinnabar
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| Data |
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| Mineral Data: | Click here to view Chalcedony data |
| Locality Data: | Click here to view Bella Oak Mine (Belle Oak Mine; Oakville Mine; Bella Union Mine), Oakville, Oakville Mining District, Napa County, California, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 329752 |
| Long-form Identifier: | 1:3:329752:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcedony |
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| 3.7km (2.3 miles) | ⓘLa Joya Mine, Oakville, Oakville Mining District, Napa County, California, USA |
| 44.6km (27.7 miles) | ⓘMcLaughlin Mine (Manhattan Mine), Knoxville, Knoxville Mining District, Napa County, California, USA |
| 45.9km (28.5 miles) | ⓘSocrates Mine, Castle Rock Springs area, West Mayacmas Mining District, Sonoma County, California, USA |
| 49.5km (30.7 miles) | ⓘGreat Eastern and Mount Jackson Mine, Guerneville, Guerneville Mining District, Coast Range, Sonoma County, California, USA |
| 50.8km (31.6 miles) | ⓘCulver-Baer Mine, North Fork Little Sulphur Creek, Cloverdale, West Mayacmas Mining District, Sonoma County, California, USA |
| 61.9km (38.4 miles) | ⓘSpruce Street Thunder Egg locality, Berkeley, Alameda County, California, USA |
| 62.2km (38.6 miles) | ⓘLivermore Quicksilver Mine, Cloverdale, West Mayacmas Mining District, Sonoma County, California, USA |
| 63.1km (39.2 miles) | ⓘBolinas, Marin County, California, USA |
| 65.2km (40.5 miles) | ⓘAgate Beach, Bolinas, Marin County, California, USA |
| 66.0km (41.0 miles) | ⓘSulphur Bank Mine (Sulfur Bank Mine; Sulphur Bank deposits), Clear Lake Oaks, Sulphur Creek Mining District (Sulfur Creek Mining District; Wilbur Springs Mining District), Lake County, California, USA |
| References |
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