| Locality type: | Ranch |
| Classification |
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| Species: | Quartz var: Chalcedony |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Quartz | 5 |
| - var Agate | 3 |
| Thunder Egg | 4 |
| Data |
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| Mineral Data: | Click here to view Chalcedony data |
| Locality Data: | Click here to view Richardson Ranch, Madras, Jefferson County, Oregon, USA |
| Photo Gallery | View Gallery (11 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 354429 |
| Long-form Identifier: | 1:3:354429:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcedony |
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| 7.5km (4.7 miles) | ⓘThunderegg Deposit, Pony Butte, Jefferson County, Oregon, USA |
| 12.2km (7.6 miles) | ⓘPolka Dot Agate mine, Jefferson County, Oregon, USA |
| 17.8km (11.0 miles) | ⓘAshwood, Jefferson County, Oregon, USA |
| 35.4km (22.0 miles) | ⓘFreida deposit, Wasco County, Oregon, USA |
| 39.6km (24.6 miles) | ⓘOpal Mountain Occurrence, Ochoco Creek, Jefferson County, Oregon, USA |
| 40.3km (25.0 miles) | ⓘOpal Creek Occurrence, Ochoco Creek, Jefferson County, Oregon, USA |
| 46.9km (29.2 miles) | ⓘBarnes Butte (Prineville Quicksilver), Howard Mining District (Ochoco Mining District; Bolivar Mining District), Crook County, Oregon, USA |
| 48.6km (30.2 miles) | ⓘHumboldt (Bear Creek; Humboldt Metallics Corp.), Ochoco Creek, Jefferson County, Oregon, USA |
| 54.9km (34.1 miles) | ⓘLittle Hay Creek Occurrence (Miller Flat; Flag Creek), Howard Mining District (Ochoco Mining District; Bolivar Mining District), Crook County, Oregon, USA |
| 56.2km (34.9 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 |
| References |
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Richardson Ranch, Madras, Jefferson County, Oregon, USA