| Locality type: | Creek |
| Classification |
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| Species: | Thomsonite-Ca |
| Formula: | NaCa2[Al5Si5O20] · 6H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Heulandite Subgroup | 7 |
| Chabazite | 6 |
| Gonnardite | 3 |
| Smectite Group | 3 |
| Epistilbite | 2 |
| Cowlesite | 2 |
| Calcite | 1 |
| Data |
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| Mineral Data: | Click here to view Thomsonite-Ca data |
| Locality Data: | Click here to view Big Tree Creek, Yacolt, Clark County, Washington, USA |
| Photo Gallery | View Gallery (7 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 46513 |
| Long-form Identifier: | 1:3:46513:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Thomsonite-Ca |
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| 16.9km (10.5 miles) | ⓘLacamas Creek, Orchards, Clark County, Washington, USA |
| 40.2km (25.0 miles) | ⓘRoadcuts, Kalama area, Cowlitz County, Washington, USA |
| 41.1km (25.5 miles) | ⓘ200 / 237 Road Quarry, Wolf Point, Cowlitz County, Washington, USA |
| 43.2km (26.8 miles) | ⓘNeer Road, Goble, Columbia County, Oregon, USA |
| 48.0km (29.8 miles) | ⓘSignal Peak, Cowlitz County, Washington, USA |
| 58.1km (36.1 miles) | ⓘMount Solo, Longview, Cowlitz County, Washington, USA |
| 68.0km (42.3 miles) | ⓘNew Era, Clackamas County, Oregon, USA |
| 92.2km (57.3 miles) | ⓘOak Grove Fork, Clackamas River localities, Clackamas County, Oregon, USA |
| References |
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Big Tree Creek, Yacolt, Clark County, Washington, USA