| Locality type: | Mine |
| Classification |
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| Species: | Quartz var: Chalcedony |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chalcedony data |
| Locality Data: | Click here to view Mount Vernon Mine, Skagit County, Washington, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 136701 |
| Long-form Identifier: | 1:3:136701:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcedony |
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| 9.3km (5.8 miles) | ⓘWalker Valley, Skagit County, Washington, USA |
| 62.0km (38.5 miles) | ⓘBeaver Valley Quarry, Jefferson County, Washington, USA |
| 66.0km (41.0 miles) | ⓘCadman Quarry, Monroe, Snohomish County, Washington, USA |
| 84.2km (52.3 miles) | ⓘChilliwack River, Chilliwack, New Westminster Mining Division, British Columbia, Canada |
| 86.4km (53.7 miles) | ⓘFraser River gravels, Chilliwack, New Westminster Mining Division, British Columbia, Canada |
| 99.2km (61.6 miles) | ⓘBlack River Quarry, King County, Washington, USA |
| References |
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