| Locality type: | Deposit |
| 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 Unnamed Clay deposit [1], East Missoula, Missoula County, Montana, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 497066 |
| Long-form Identifier: | 1:3:497066:8 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Illite |
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| 57.7km (35.8 miles) | ⓘUnnamed Clay deposit [4], Bradman, Granite County, Montana, USA |
| 65.2km (40.5 miles) | ⓘClay Deposit, North Fork of the Blackfoot River, Nevada Valley Area, Powell County, Montana, USA |
| 70.2km (43.6 miles) | ⓘClay Deposit, Blackfoot River, Nevada Valley Area, Powell County, Montana, USA |
| 75.8km (47.1 miles) | ⓘUnnamed Clay deposit [5], Douglas Mountain, Dunkleberg Mining District, Granite County, Montana, USA |
| 76.4km (47.5 miles) | ⓘClay Deposit, Hoover Creek Road, Pioneer Mining District (Gold Creek Mining District), Powell County, Montana, USA |
| 76.8km (47.7 miles) | ⓘClay Deposit Near Haskell, Pioneer Mining District (Gold Creek Mining District), Powell County, Montana, USA |
| 77.9km (48.4 miles) | ⓘClay Deposit Near Hoover Creek, Pioneer Mining District (Gold Creek Mining District), Powell County, Montana, USA |
| 90.2km (56.0 miles) | ⓘUnnamed Clay deposit [6], Porters Corner, Granite County, Montana, USA |
| 94.3km (58.6 miles) | ⓘClay Deposit (3), Garrison, Garrison Area, Powell County, Montana, USA |
| 95.1km (59.1 miles) | ⓘClay Deposit (2), Garrison, Garrison Area, Powell County, Montana, USA |
| References |
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