| Locality type: | Mine |
| Classification |
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| Species: | 'Biotite' (not an IMA approved species) |
| Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Confirmation |
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|
| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Cajalco Mine (Cajalco Tin Mine; Cajalco Dumortierite occurrence), El Cerrito, Riverside County, California, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 633683 |
| Long-form Identifier: | 1:3:633683:7 |
| GUID (UUID V4): | a7878410-ff41-4741-bae6-43564594ca98 |
| Nearest other occurrences of Biotite |
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|
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| 9.1km (5.6 miles) | ⓘUnnamed Vermiculite occurrence [1], La Sierra, Riverside, Riverside County, California, USA |
| 17.6km (11.0 miles) | ⓘOld City Quarry (City Quarry; North Hill Quarry; Quarry Hill; Fairmount), Riverside, Riverside County, California, USA |
| 19.3km (12.0 miles) | ⓘJensen Quarry, Jurupa Mountains, Jurupa Valley, Riverside County, California, USA |
| 20.3km (12.6 miles) | ⓘCommercial Quarry, Sky Blue Hill, Crestmore quarries, Crestmore, Jurupa Valley, Riverside County, California, USA |
| 21.9km (13.6 miles) | ⓘBox Springs Mountains, Riverside County, California, USA |
| 32.1km (19.9 miles) | ⓘSouthern Pacific Silica Quarry (Southern Pacific deposit; Nuevo Mine; Southern Pacific Quarry; S.P. Silica Quarry; S.P. Mine; Nuevo Quarry), Nuevo, Lakeview Mountains, Riverside County, California, USA |
| 38.7km (24.1 miles) | ⓘUnnamed abandoned quarry (Unnamed small gravel quarry), Claremont, Los Angeles County, California, USA |
| 52.0km (32.3 miles) | ⓘHazen Corundum prospect (Unnamed Corundum prospect), Soboba Hot Springs (Ritchey Hot Springs; White Sulphur Spring), San Jacinto Mountains, Riverside County, California, USA |
| 52.1km (32.4 miles) | ⓘUnnamed Corundum occurrences [2], Soboba Hot Springs (Ritchey Hot Springs; White Sulphur Spring), San Jacinto Mountains, Riverside County, California, USA |
| 57.9km (36.0 miles) | ⓘSt. Patrick's group (St. Patrick claim; Alger Creek claims), Forest Falls (Fallsvale; Fallsville; Forest Home), San Bernardino County, California, USA |
| References |
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