| Locality type: | Mine |
| Classification |
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| Species: | Opal |
| Formula: | SiO2 · nH2O |
| Comments: | Brightly-colored, hydrocarbon-rich material. |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals: |
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| Associates: | Gold
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| Data |
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| Mineral Data: | Click here to view Opal data |
| Locality Data: | Click here to view McLaughlin Mine (Manhattan Mine), Knoxville, Knoxville Mining District, Napa County, California, USA |
| Photo Gallery | View Gallery (5 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 154842 |
| Long-form Identifier: | 1:3:154842:6 |
| GUID (UUID V4): | cc31bbfe-6f2e-4b19-8061-e1603c510aed |
| Nearest other occurrences of Opal |
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| 2.4km (1.5 miles) | ⓘKnoxville, Knoxville Mining District, Napa County, California, USA |
| 2.6km (1.6 miles) | ⓘRedington Mine (Boston Mine; Knoxville Mine; Excellsior Mine), Knoxville, Knoxville Mining District, Napa County, California, USA |
| 9.2km (5.7 miles) | ⓘAdams and Westendorf claims, Knoxville area, Napa County, California, USA |
| 15.4km (9.6 miles) | ⓘBaker Mine, Lower Lake, Sulphur Creek Mining District (Sulfur Creek Mining District; Wilbur Springs Mining District), Lake County, California, USA |
| 21.7km (13.5 miles) | ⓘAbbott Mine (Abbott Quicksilver Mine), Wilbur Springs area, Sulphur Creek Mining District (Sulfur Creek Mining District; Wilbur Springs Mining District), Lake County, California, USA |
| 22.0km (13.6 miles) | ⓘWide Awake Mine (Buckeye Mine), Cherry Hill deposit, Wilbur Springs, Sulphur Creek Mining District (Sulfur Creek Mining District; Wilbur Springs Mining District), Coast Ranges, Colusa County, California, USA |
| 24.1km (15.0 miles) | ⓘCavagnaro prospect, Calistoga Hot Springs, Napa County, California, USA |
| 24.2km (15.0 miles) | ⓘCorona Mines (Vallejo Mines), Twin Peaks, Calistoga, Napa County, California, USA |
| 25.2km (15.6 miles) | ⓘPlymouth Mine, Calistoga Hot Springs, Napa County, California, USA |
| 26.2km (16.3 miles) | ⓘElgin Mine, Wilbur Springs, Sulphur Creek Mining District (Sulfur Creek Mining District; Wilbur Springs Mining District), Coast Ranges, Colusa County, California, USA |
| References |
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McLaughlin Mine, Knoxville, Knoxville Mining District, Napa County, California, USA