| Locality type: | Deposit |
| 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 Los Penascos Ranch deposit (Los Pemascos Ranch deposit), Shell Beach, San Luis Obispo County, California, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1005246 |
| Long-form Identifier: | 1:3:1005246:4 |
| GUID (UUID V4): | 496133d2-9569-4c4c-899d-2dcbc4a735ca |
| Nearest other occurrences of Opal |
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| 3.9km (2.4 miles) | ⓘPismo Heights Company property, Pismo Beach, San Luis Obispo County, California, USA |
| 10.2km (6.3 miles) | ⓘUnnamed diatomite deposit [1], San Luis Obispo, San Luis Obispo County, California, USA |
| 10.7km (6.6 miles) | ⓘUnnamed diatomite deposit [2], Arroyo Grande, Santa Lucia Mts (Santa Lucia Range), San Luis Obispo County, California, USA |
| 16.2km (10.1 miles) | ⓘFerrell deposit, Los Osos, San Luis Obispo County, California, USA |
| 17.4km (10.8 miles) | ⓘIncello Company property (Thompson Reid Estate; U.S. Refractories Company), Los Osos, San Luis Obispo County, California, USA |
| 19.1km (11.9 miles) | ⓘSan Luis Range Diatomite Mine, Los Osos, San Luis Obispo County, California, USA |
| 23.2km (14.4 miles) | ⓘEstrella Mine, Chorro, Santa Lucia Mts (Santa Lucia Range), San Luis Obispo County, California, USA |
| 24.0km (14.9 miles) | ⓘNipomo, San Luis Obispo County, California, USA |
| 53.3km (33.1 miles) | ⓘOceanic Mine, Cambria, Cambria-Oceanic Mining District, Santa Lucia Mts (Santa Lucia Range), San Luis Obispo County, California, USA |
| 59.9km (37.2 miles) | ⓘUnnamed Diatomite deposit [5], Vandenberg Space Force Base, Santa Barbara County, California, USA |
| References |
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