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Cummingtonite from
Unnamed Kyanite Deposit (MRDS - 10246044), Cherry Creek Mining District, Madison Co., Montana, USA

Locality type:Deposit
Classification
Species:Cummingtonite
Formula:☐{Mg2}{Mg5}(Si8O22)(OH)2
Confirmation
Validity:Believed Valid
References
References:Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240; Chris Tucker and John Betts specimens.
Data
Mineral Data:Click here to view Cummingtonite data
Locality Data:Click here to view Unnamed Kyanite Deposit (MRDS - 10246044), Cherry Creek Mining District, Madison Co., Montana, USA
Nearest other occurrences of Cummingtonite
42.6km (26.5 miles) Table Mountain Prospect, Spanish Peaks Primitive Area, Gallatin Co., Montana, USA
93.8km (58.3 miles) Crevasse Mountain Mine (Jardine; Mineral Hill Mine; TVX Mineral Hill 0300670001; Jardine Mine; Jardine Jv), Crevasse Mining District (Crevice Mining District; Jardine Mining District), Park Co., Montana, USA
 
Mineral and/or Locality  
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