Airline Railroad, East Hampton, Middlesex Co., Connecticut, USA

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List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Graphite	1.3.6.2	C
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Pyrrhotite	2.8.10.1	Fe1-xS (x = 0 to 0.17)
Sphalerite	2.8.2.1	ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite	2.9.1.1	CuFeS2
AmBnXp, with (m+n):p = 1:2
Molybdenite ?	2.12.10.1	MoS2
Pyrite	2.12.1.1	FeS2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite	6.1.1.2	α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite ?	7.2.2.3	Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Siderite ?	14.1.1.3	FeCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Bastnäsite-(Ce)	16a.1.1.1	(Ce,La)(CO3)F
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum	29.6.3.1	CaSO4 · 2H2O
Melanterite	29.6.10.1	FeSO4 · 7H2O
AB2(XO4)4·H2O
Pickeringite	29.7.3.1	MgAl2(SO4)4 · 22H2O
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite	48.1.2.1	Ca(WO4)
Wulfenite ?	48.1.3.1	Pb(MoO4)
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Almandine	51.4.3a.2	Fe2+3Al2(SiO4)3
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Sillimanite	52.2.2a.1	Al2(SiO4)O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite	52.4.3.1	CaTi(SiO4)O
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)
Allanite-(Ce)	58.2.1a.1	{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl	61.1.1.1	Be3Al2(Si6O18)
Six-Membered Rings with borate groups
'Uvite' ?	61.3.1.3	Ca(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(F/OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Augite	65.1.3a.3	(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
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
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
Albite var: Oligoclase	-	(Na,Ca)[Al(Si,Al)Si2O8]
'Albite-Anorthite Series'	-
Anorthite var: Labradorite	-	(Ca,Na)[Al(Al,Si)Si2O8]
'Biotite'	-
'Chlorite Group'	-
Fluorapatite var: Mn-bearing Fluorapatite	-	(Ca,Mn2+)5(PO4)3(F,Cl,OH) or Ca5([P,Mn3+]O4)3(F,Cl,OH)
Fluorite var: Chlorophane	-	CaF2
'K Feldspar var: Adularia'	-	KAlSi3O8
Kaolinite	-	Al2(Si2O5)(OH)4
'Lanthanite' ?	-
'Limonite'	-	FeO(OH) · nH2O
'Olivine' ?	-	(Mg,Fe2+)2SiO4
'Tourmaline'	-	A(D3)G6(T6O18)(BO3)3X3Z

39 entries listed. 30 valid minerals.