Oreville District, Pennington Co., South Dakota, USA

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List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
Cassiterite	4.4.1.5	SnO2
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
ABXO4
Lithiophilite	38.1.1.2	LiMn2+PO4
Triphylite	38.1.1.1	LiFe2+PO4
AXO4
Heterosite	38.4.1.1	(Fe3+,Mn3+)PO4
Purpurite	38.4.1.2	(Mn3+,Fe3+)PO4
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Amblygonite	41.5.8.1	LiAl(PO4)F
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl	61.1.1.1	Be3Al2(Si6O18)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Spodumene	65.1.4.1	LiAlSi2O6
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz	75.1.3.1	SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite	76.1.3.1	NaAlSi3O8
Microcline	76.1.1.5	KAlSi3O8
Unclassified Minerals
'Apatite'	-
Columbite	-	(Fe,Mn)(Nb,Ta)2O6
'K Feldspar'	-
'Mica Group'	-
'Tourmaline'	-	A(D3)G6(T6O18)(BO3)3X3Z

16 entries listed. 11 valid minerals.