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Unnamed skarn occurrence, Hensley Creek, Blackhawk, Meagher Co., Montana, USA



Detailed Mineral List:
Augite
Formula: (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.
Grossular
Formula: Ca3Al2(SiO4)3
Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.
Phlogopite
Formula: KMg3(AlSi3O10)(OH,F)2
Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.
Vesuvianite
Formula: (Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Reference: Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240.


4 entries listed. 4 valid minerals.
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