| Locality type: | Table/Butte |
| Classification |
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| Species: | Opal |
| Formula: | SiO2 · nH2O |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Cinnabar | 3 |
| Data |
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| Mineral Data: | Click here to view Opal data |
| Locality Data: | Click here to view Barnes Butte (Prineville Quicksilver), Howard Mining District (Ochoco Mining District; Bolivar Mining District), Crook County, Oregon, USA |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 470516 |
| Long-form Identifier: | 1:3:470516:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal |
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| 26.7km (16.6 miles) | ⓘJimmy Ann (Beardssmore; Stanley & Culbertson; Staley; Ochoco Mines Corp.; Ochoco Quicksilver Champion; Barney and Staley), Howard Mining District (Ochoco Mining District; Bolivar Mining District), Crook County, Oregon, USA |
| 32.1km (19.9 miles) | ⓘPost, Crook County, Oregon, USA |
| 36.7km (22.8 miles) | ⓘMother Lode (American Almaden; Consolidated Quicksilver; Canyon Creek), Howard Mining District (Ochoco Mining District; Bolivar Mining District), Crook County, Oregon, USA |
| 46.0km (28.6 miles) | ⓘRound Butte Cinder Pit, Jefferson County, Oregon, USA |
| 46.9km (29.2 miles) | ⓘRichardson Ranch, Madras, Jefferson County, Oregon, USA |
| 48.0km (29.8 miles) | ⓘThunderegg Deposit, Pony Butte, Jefferson County, Oregon, USA |
| 48.3km (30.0 miles) | ⓘPolka Dot Agate mine, Jefferson County, Oregon, USA |
| 74.8km (46.5 miles) | ⓘNewberry Caldera, Newberry National Volcanic Monument, Deschutes County, Oregon, USA |
| References |
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Barnes Butte, Howard Mining District, Crook County, Oregon, USA