| Locality type: | Mountain Area |
| 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 Grimsel area, Bern, Switzerland |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 558904 |
| Long-form Identifier: | 1:3:558904:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Illite |
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| 17.7km (11.0 miles) | ⓘMorasco area, Formazza, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 31.1km (19.3 miles) | ⓘVal Giuv, Tujetsch, Surselva Region, Grisons, Switzerland |
| 39.0km (24.2 miles) | ⓘUnnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland |
| 69.0km (42.9 miles) | ⓘBrunnihore, St Stephan, Obersimmental-Saanen, Bern, Switzerland |
| 73.0km (45.4 miles) | ⓘScala dei Ratti Quarry (Ratti Quarry; Scala Quarry), Feriolo, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 93.7km (58.2 miles) | ⓘGault, Haldensteiner Calanda, Calanda, Grisons, Switzerland |
| References |
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