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Spring Hill skarn, Helena area, Helena District (Spring Hill District), Lewis and Clark Co., Montana, USA


List of minerals arranged by Strunz 10th Edition classification
Group 4 - Oxides and Hydroxides
Spinel4.BB.05MgAl2O4
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Clintonite9.EC.35Ca(Mg,Al)3(Al3SiO10)(OH)2
Vesuvianite9.BG.35(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10


4 entries listed. 4 valid minerals.
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