Thunderbird Mine (Virginia Mine; Nelson Reserve On-3), Mesabi Range, St. Louis Co., Minnesota, USA

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List of minerals arranged by Dana 8th Edition classification

Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite	7.2.2.3	Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite	14.1.1.1	CaCO3
Siderite	14.1.1.3	FeCO3
AB(XO3)2
Ankerite	14.2.1.2	Ca(Fe2+ ,Mg,Mn2+)(CO3)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Minnesotaite	71.2.1.5	(Fe,Mg)3(Si4O10)(OH)2
Unclassified Minerals
Quartz var: Chert	-	SiO2

6 entries listed. 6 valid minerals.