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Blackhawk, Meagher Co., Montana, USA



Detailed Mineral List:
Augite
Formula: (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Locality: Unnamed skarn, Bonanza Creek, Blackhawk, Meagher Co., Montana, USA
Grossular
Formula: Ca3Al2(SiO4)3
Locality: Unnamed skarn, Bonanza Creek, Blackhawk, Meagher Co., Montana, USA
Phlogopite
Formula: KMg3(AlSi3O10)(OH,F)2
Locality: Unnamed skarn, Bonanza Creek, Blackhawk, Meagher Co., Montana, USA
Vesuvianite
Formula: (Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Locality: Unnamed skarn, Bonanza Creek, Blackhawk, Meagher Co., Montana, USA


4 entries listed. 4 valid minerals.
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