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Schorl from
Twin Buttes Mine (Twin Buttes Open Pit Mine), Twin Buttes, Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District), Sierrita Mountains, Pima Co., Arizona, USA

Locality type:Mine
Classification
Species:Schorl
Formula:Na(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Believed Valid
References
References:Galbraith, F.W. (1947), Minerals of Arizona, AZ Bur. Mines Bull. 153: 400.
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Twin Buttes Mine (Twin Buttes Open Pit Mine), Twin Buttes, Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District), Sierrita Mountains, Pima Co., Arizona, USA
Nearest other occurrences of Schorl
22.6km (14.0 miles) Jackson Mine group (McCleary group; Old Baldy Copper Mine; Rosa Mine; Hickory; Decatur), Jackson Canyon, Old Baldy Mining District, Pima Co., Arizona, USA
66.4km (41.3 miles) Holland Mine, Duquesne Gulch, Nash Mines group (Duquesne-Washington group), Washington Camp-Duquesne Mining District, Patagonia Mining District, Patagonia Mountains, Santa Cruz Co., Arizona, USA
66.9km (41.6 miles) Washington Camp-Duquesne Mining District, Patagonia Mining District, Patagonia Mountains, Santa Cruz Co., Arizona, USA
80.6km (50.1 miles) Johnny Lyon Hills, Cochise County, Arizona, USA
97.5km (60.6 miles) Tarr Mine (Tar Mine; Tarr property; Tarr Copper Mine; San Pedro Mine; Jameson and Ward Mine), Tarr Wash, Black Hills, Mammoth Mining District, Pinal Co., Arizona, USA
 
Mineral and/or Locality  
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