| Locality type: | Mine |
| Classification |
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| Species: | Opal |
| Formula: | SiO2 · nH2O |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Data |
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| Mineral Data: | Click here to view Opal data |
| Locality Data: | Click here to view Nowak Mine (Last Chance Opal Mine; Nowak Fire Opal Mine; Cowden Mine), Silica Gem claims, Last Chance Canyon, El Paso Mountains District, Kern County, California, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1006215 |
| Long-form Identifier: | 1:3:1006215:1 |
| GUID (UUID V4): | 3a27d6cc-118e-47ba-8350-67395514c910 |
| Nearest other occurrences of Opal |
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| 0.3km (0.2 miles) | ⓘBarnett Opal Mine, Silica Gem claims, Last Chance Canyon, El Paso Mountains District, Kern County, California, USA |
| 3.0km (1.8 miles) | ⓘPetrified Forest, Ricardo, El Paso Mountains District, Kern County, California, USA |
| 5.7km (3.6 miles) | ⓘRed Rock Canyon prospects, Ricardo, El Paso Mountains District, Kern County, California, USA |
| 27.4km (17.0 miles) | ⓘMabel S claim, Randsburg, Kern County, California, USA |
| 48.1km (29.9 miles) | ⓘKramer Borate deposit, Boron, Kern County, California, USA |
| 49.1km (30.5 miles) | ⓘVanuray prospect, West Baker, Kramer Borate deposit, Boron, Kern County, California, USA |
| 49.5km (30.8 miles) | ⓘSaddleback Mountain, East Kramer Borate area (East Kramer Colemanite area), East Kramer Mining District, San Bernardino County, California, USA |
| 67.9km (42.2 miles) | ⓘUnnamed lava flow [1], Sugarloaf Mountain, Inyo County, California, USA |
| 69.0km (42.9 miles) | ⓘLittle Lake Perlite deposits (Desert Materials Corp. deposit), Sugarloaf Mountain, Inyo County, California, USA |
| 69.0km (42.9 miles) | ⓘWheeler Area Mine (Coso Mine), Coso Mine (Devil's Kitchen; Atlas; Lynch & Lynch; Nicol; Walley-Mickey & Wheeler), Coso Hot Springs deposit, Coso Hot Springs, Inyo County, California, USA |
| References |
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