| Locality type: | Mine |
| 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 Preston Gold Mine (Bismuth; Chloride; Mother; Dr. Emma; Judge; Major), Silver Cliff Mining District, Custer County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 373727 |
| Long-form Identifier: | 1:3:373727:9 |
| GUID (UUID V4): | 07bafdb9-2a9e-49cd-8a67-6698b5b328fe |
| Nearest other occurrences of Illite |
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| 1.4km (0.8 miles) | ⓘHerman Passiflora Mine (Shafts: Vidler; Edman; Baker; Rey; Blunt; Denver Lease; Claims: Thames River; Ten To One; Songbird), Silver Cliff Mining District, Custer County, Colorado, USA |
| 1.5km (1.0 miles) | ⓘSongbird Mine, Silver Cliff Mining District, Custer County, Colorado, USA |
| 1.7km (1.1 miles) | ⓘMountain View Mine, Silver Cliff Mining District, Custer County, Colorado, USA |
| 10.2km (6.4 miles) | ⓘMount Robinson Deposit (Cowan Knoll), Rosita Mining District, Custer County, Colorado, USA |
| 55.2km (34.3 miles) | ⓘVilla Grove Turquoise Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA |
| References |
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