| Locality type: | Valley |
| Classification |
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| Species: | Quartz |
| Formula: | SiO2 |
| Comments: | Lining geodes and in stalactitic forms. As Chalcedony. |
| Habit: | druzy, mostly showing terminal faces, some sceptered, cryptocrystalline |
| Colour: | colorless, light to medium purple. Chalcedony can be white, gray, and blue. |
| Abundance at site: | Common |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Goethite | 12 |
| Calcite | 10 |
| Siderite | 3 |
| Hisingerite | 3 |
| Quartz | 2 |
| - var Amethyst | 1 |
| - var Chalcedony | 1 |
| Data |
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| Mineral Data: | Click here to view Quartz data |
| Locality Data: | Click here to view Walker Valley, Skagit County, Washington, USA |
| Photo Gallery | View Gallery (8 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 45736 |
| Long-form Identifier: | 1:3:45736:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Quartz |
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| 4.9km (3.0 miles) | ⓘCultus Mountain Nickel Occurrence, Hamilton Mining District, Skagit County, Washington, USA |
| 9.3km (5.8 miles) | ⓘMount Vernon Mine, Skagit County, Washington, USA |
| 20.6km (12.8 miles) | ⓘHamilton Mine, Hamilton Mining District, Skagit County, Washington, USA |
| 20.7km (12.9 miles) | ⓘDeer Creek, Snohomish County, Washington, USA |
| 24.8km (15.4 miles) | ⓘAlverson Mine, Fidalgo Island, Skagit County, Washington, USA |
| 28.6km (17.8 miles) | ⓘLawrence Prospect, Skagit County, Washington, USA |
| 29.0km (18.0 miles) | ⓘFinney Creek, Skagit County, Washington, USA |
| 29.2km (18.1 miles) | ⓘJordan Zinc Mine, Granite Falls Mining District, Snohomish County, Washington, USA |
| 31.6km (19.7 miles) | ⓘBlanchard Hill, Skagit County, Washington, USA |
| 35.1km (21.8 miles) | ⓘYankee Boy Mine, Granite Falls Mining District, Snohomish County, Washington, USA |
| References |
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Walker Valley, Skagit County, Washington, USA