| Classification |
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| Species: | Mordenite |
| Formula: | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Dachiardite-Na | 3 |
| Dachiardite-Ca | 2 |
| Clinoptilolite-Ca | 2 |
| Dachiardite Subgroup | 1 |
| Data |
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| Mineral Data: | Click here to view Mordenite data |
| Locality Data: | Click here to view Altoona-Pillar Rock Road roadcuts, Altoona, Wahkiakum County, Washington, USA |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 96076 |
| Long-form Identifier: | 1:3:96076:6 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Mordenite |
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| 1.8km (1.1 miles) | ⓘUnnamed Basalt quarry (Columbia River dikes), Altoona, Wahkiakum County, Washington, USA |
| 41.1km (25.6 miles) | ⓘClinton Knob, Ryderwood, Lewis County, Washington, USA |
| 53.9km (33.5 miles) | ⓘMc Gregor Quarry, Highway 26, Clatsop County, Oregon, USA |
| 65.8km (40.9 miles) | ⓘNeer Road, Goble, Columbia County, Oregon, USA |
| 68.7km (42.7 miles) | ⓘRoadcuts, Kalama area, Cowlitz County, Washington, USA |
| 81.0km (50.3 miles) | ⓘWoodland, Clark County, Washington, USA |
| 82.9km (51.5 miles) | ⓘ200 / 237 Road Quarry, Wolf Point, Cowlitz County, Washington, USA |
| 83.5km (51.9 miles) | ⓘBaird Creek Quarry, Wolf Point, Cowlitz County, Washington, USA |
| 91.4km (56.8 miles) | ⓘShort Beach, Oceanside, Tillamook County, Oregon, USA |
| 91.9km (57.1 miles) | ⓘSkookumchuck Dam, Bucoda, Thurston County, Washington, USA |
| References |
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Altoona-Pillar Rock Road roadcuts, Altoona, Wahkiakum County, Washington, USA