| Locality type: | Well |
| Classification |
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| Species: | Muscovite var: Illite |
| Formula: | K0.65Al2.0[Al0.65Si3.35O10](OH)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Illite data |
| Locality Data: | Click here to view WOSCO No. EX1 well, Castle Peak Mining District (Uninta Basin), Duchesne County, Utah, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1749968 |
| Long-form Identifier: | 1:3:1749968:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Illite |
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| 70.4km (43.7 miles) | ⓘIndian Canyon, Duchesne County, Utah, USA |
| References |
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