| 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 |
| Associated Minerals Based on Photo Data: |
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| Quartz | β3 photos of Biotite associated with Quartz at this locality. |
| Hornblende Root Name Group | β2 photos of Biotite associated with Hornblende Root Name Group at this locality. |
| Plagioclase | β2 photos of Biotite associated with Plagioclase at this locality. |
| Data |
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| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Juan Diego Mine No. 1 (Juan Diego No. 1 deposit; Rainbow Mine; Rainbow prospects), Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA |
| Photo Gallery | View Gallery (4 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 387825 |
| Long-form Identifier: | 1:3:387825:5 |
| GUID (UUID V4): | 2cf3e322-3440-4c88-b78c-8cbdde1205cb |
| Nearest other occurrences of Biotite |
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| 2.7km (1.7 miles) | βGranitic pegmatite occurrence (group II; younger pegmatites), Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA |
| 2.7km (1.7 miles) | βAndalusite pegmatite (group I; older pegmatites), Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA |
| 7.7km (4.8 miles) | βAnita Mine (Magee Mine; Magee & Dougherty Mine; Sage Mine), Red Mountain, Cahuilla Mining District, Riverside County, California, USA |
| 27.8km (17.3 miles) | βBlue Lady Mine (Blue Tourmaline claim; Blue Bell deposit; Blue Bell mine; Exposition claim; Panama claim; San Diego claim; San Diego group), Chihuahua Valley, Warner Springs Mining District, San Diego County, California, USA |
| 29.6km (18.4 miles) | βHazen Corundum prospect (Unnamed Corundum prospect), Soboba Hot Springs (Ritchey Hot Springs; White Sulphur Spring), San Jacinto Mountains, Riverside County, California, USA |
| 29.8km (18.5 miles) | βUnnamed Corundum occurrences [2], Soboba Hot Springs (Ritchey Hot Springs; White Sulphur Spring), San Jacinto Mountains, Riverside County, California, USA |
| 30.9km (19.2 miles) | βCarmelita Mine (Big Spring mine; Blue Gem claim; Crest Gem mine; Elinor deposit; Elinor mine; Estudillo mine; French Pete mine; MS 6130; Peter Cabat mine), Chihuahua Valley, Warner Springs Mining District, San Diego County, California, USA |
| 33.8km (21.0 miles) | βTourmaline Queen Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA |
| 33.8km (21.0 miles) | βLittle Joe adit, Stewart Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA |
| 33.9km (21.0 miles) | βLittle Joe No. 2 adit, Stewart Mine, Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala Mining District, San Diego County, California, USA |
| References |
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Juan Diego Mine No. 1, Little Cahuilla Mountain, Cahuilla Mining District, Riverside County, California, USA