Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA

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List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
Rutile	4.4.1.1	TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite	7.2.2.3	Fe2+Fe3+2O4
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote	58.2.1a.7	{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite	71.2.2a.1	KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz	75.1.3.1	SiO2
Unclassified Minerals
'Apatite'	-
Biotite	-
'Garnet'	-	X3Z2(SiO4)3
'K Feldspar'	-

9 entries listed. 5 valid minerals.