| Locality type: | Dam |
| Classification |
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| Species: | 'Apophyllite Group' (not an IMA approved species) |
| Formula: | AB4[Si8O20]X · 8H2O |
| Habit: | tetragonal bipyrmids to 1.5" |
| Colour: | colorless to white |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Stilbite Subgroup | 5 |
| Quartz | 4 |
| Okenite | 2 |
| Thomsonite-Ca | 2 |
| Analcime | 2 |
| Mesolite | 1 |
| Chabazite | 1 |
| Data |
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| Mineral Data: | Click here to view Apophyllite Group data |
| Locality Data: | Click here to view Skookumchuck Dam, Bucoda, Thurston County, Washington, USA |
| Photo Gallery | View Gallery (7 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 93753 |
| Long-form Identifier: | 1:3:93753:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Apophyllite Group |
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| 35.7km (22.2 miles) | ⓘMossyrock Dam, Morton, Morton Mining District, Lewis County, Washington, USA |
| 46.9km (29.1 miles) | ⓘRiffe Lake, Kosmos, Lewis County, Washington, USA |
| 47.4km (29.5 miles) | ⓘF Line pit, Doty Hills, Lewis County, Washington, USA |
| 48.5km (30.2 miles) | ⓘLucky Strike Pit, Mason County, Washington, USA |
| 53.3km (33.1 miles) | ⓘClinton Knob, Ryderwood, Lewis County, Washington, USA |
| 59.8km (37.2 miles) | ⓘThrash Creek, PeEll, Pacific County, Washington, USA |
| 64.6km (40.1 miles) | ⓘ200 / 237 Road Quarry, Wolf Point, Cowlitz County, Washington, USA |
| 75.2km (46.7 miles) | ⓘElk Mountain, Toutle, Cowlitz County, Washington, USA |
| 79.2km (49.2 miles) | ⓘRainier Quarry, Rainier, Columbia County, Oregon, USA |
| 82.1km (51.0 miles) | ⓘDixon Road Quarry, Raymond, Pacific County, Washington, USA |
| References |
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Skookumchuck Dam, Bucoda, Thurston County, Washington, USA