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Biotite from
East Helvetia deposit (Helvetia East Mine; Helvetia Mine; Rosemont deposit), Rosemont (Rosemont Camp), Helvetia-Rosemont Mining District, Pima County, Arizona, USA


Locality type:Deposit
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
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
Mindat Occurrence Record ID:536339
Long-form Identifier:1:3:536339:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
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
27.7km (17.2 miles) ⓘTwin Buttes Mine, Twin Buttes, Pima 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, Sierrita Mountains, Pima County, Arizona, USA
35.1km (21.8 miles) ⓘEsperanza Mine [new], Pima 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
MRDS database Dep. ID file #10026900, MRDS ID #M000917.
 
and/or  
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