| Locality type: | Mine |
| Classification |
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| Species: | Quartz var: Chalcedony |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Associated Minerals Based on Photo Data: |
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| Limonite | 2 |
| Quartz | 2 |
| - var Agate | 2 |
| Data |
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| Mineral Data: | Click here to view Chalcedony data |
| Locality Data: | Click here to view Polka Dot Agate mine, Jefferson County, Oregon, USA |
| Photo Gallery | View Gallery (7 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1080920 |
| Long-form Identifier: | 1:3:1080920:6 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcedony |
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| 4.7km (2.9 miles) | ⓘThunderegg Deposit, Pony Butte, Jefferson County, Oregon, USA |
| 6.6km (4.1 miles) | ⓘAshwood, Jefferson County, Oregon, USA |
| 12.2km (7.6 miles) | ⓘRichardson Ranch, Madras, Jefferson County, Oregon, USA |
| 31.5km (19.6 miles) | ⓘOpal Mountain Occurrence, Ochoco Creek, Jefferson County, Oregon, USA |
| 31.7km (19.7 miles) | ⓘOpal Creek Occurrence, Ochoco Creek, Jefferson County, Oregon, USA |
| 37.9km (23.6 miles) | ⓘFreida deposit, Wasco County, Oregon, USA |
| 39.5km (24.5 miles) | ⓘHumboldt (Bear Creek; Humboldt Metallics Corp.), Ochoco Creek, Jefferson County, Oregon, USA |
| 48.3km (30.0 miles) | ⓘBarnes Butte (Prineville Quicksilver), Howard Mining District (Ochoco Mining District; Bolivar Mining District), Crook County, Oregon, USA |
| 48.4km (30.0 miles) | ⓘRibelin Occurrence, Marks Creek area, Wheeler County, Oregon, USA |
| 48.7km (30.3 miles) | ⓘLittle Hay Creek Occurrence (Miller Flat; Flag Creek), Howard Mining District (Ochoco Mining District; Bolivar Mining District), Crook County, Oregon, USA |
| References |
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Polka Dot Agate mine, Jefferson County, Oregon, USA