| Locality type: | Deposit |
| 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 East Helvetia deposit (Helvetia East Mine; Helvetia Mine; Rosemont deposit), Rosemont (Rosemont Camp), Helvetia-Rosemont Mining District, Pima County, Arizona, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 536339 |
| Long-form Identifier: | 1:3:536339:1 |
| GUID (UUID V4): | bf16f915-5734-4e53-b51c-0e424103babf |
| Nearest other occurrences of Biotite |
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| 4.4km (2.8 miles) | ⓘHelvetia-Rosemont Mining District, Pima County, Arizona, USA |
| 12.7km (7.9 miles) | ⓘIron Mask Mine (Iron Mask prospect; McCleary prospect; Littleshot prospect), Jackson Mine group (McCleary group; Old Baldy Copper Mine; Rosa Mine; Hickory; Decatur), Jackson Canyon, Old Baldy Mining District, Pima County, Arizona, USA |
| 13.0km (8.1 miles) | ⓘOld Baldy prospects, Littleshot Camp, Madera Canyon, Old Baldy Mining District, Santa Cruz County, Arizona, USA |
| 24.4km (15.1 miles) | ⓘMansfield Mine group (Mansfield No. 1 and 2), Mansfield Gulch (Mansfield Canyon), Temporal Gulch, Wrightson Mining District, Santa Cruz County, Arizona, USA |
| 26.9km (16.7 miles) | ⓘTwin Buttes Mine, Twin Buttes, Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District), Sierrita Mountains, Pima County, Arizona, USA |
| 29.1km (18.1 miles) | ⓘGringo Mine (Gringo Mine group of claims; Francis group of claims; Temporal group of claims), Temporal Gulch, Wrightson Mining District, Santa Cruz County, Arizona, USA |
| 33.7km (20.9 miles) | ⓘMission pit, Mission complex, San Xavier, Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District), Sierrita Mountains, Pima County, Arizona, USA |
| 35.1km (21.8 miles) | ⓘEsperanza Mine [new] (Esperanza pit; Esperanza open pit mines; West Esperanza Mine), Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District), Sierrita Mountains, Pima County, Arizona, USA |
| 36.9km (22.9 miles) | ⓘRed Mountain Mine (Red Mountain Copper prospect; Gem Mine; Carlton property; Ten Grand Mine; Red Mountain project), Red Mountain, Patagonia Mountains, Santa Cruz County, Arizona, USA |
| 40.5km (25.2 miles) | ⓘHumboldt Mine, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA |
| References |
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