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Beaver Meadow Road - State Route 9 Interchange, Haddam, Middlesex Co., Connecticut, USA


List of minerals arranged by Dana 8th Edition classification
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:3
Bismuthinite2.11.2.3Bi2S3
AmBnXp, with (m+n):p = 1:2
Molybdenite2.12.10.1MoS2
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
AXO4
Monazite-(Ce)38.4.3.1(Ce,La,Nd,Th)(PO4)
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Powellite48.1.2.2Ca(MoO4)
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Almandine51.4.3a.2Fe2+3Al2(SiO4)3
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] coordination
Bertrandite56.1.1.1Be4(Si2O7)(OH)2
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with Al substituted rings
Cordierite61.2.1.1(Mg,Fe)2Al3(AlSi5O18)
Six-Membered Rings with borate groups
Dravite61.3.1.9Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=5
Babingtonite65.4.1.2Ca2(Fe,Mn)FeSi5O14(OH)
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Gedrite66.1.2.5☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Group 70 - INOSILICATES Column or Tube Structures
Column or Tube Structures with chains linked by Be
Bavenite70.5.3.1Ca4Be2Al2Si9O26(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1NaAlSi3O8
Unclassified Minerals
var: Oligoclase-(Na,Ca)[Al(Si,Al)Si2O8]
'Apatite'-
'Biotite'-
'Chlorite Group'-
Quartz
var: Smoky Quartz		-SiO2
'Tantalite'-(Fe,Mn)(Ta,Nb)2O6


24 entries listed. 20 valid minerals.

References

Bannerman, Harold M., Sidney S. Quarrier, and Richard Schooner. (1968): Mineral Deposits of the Central Connecticut Pegmatite District in Guidebook for Fieldtrips in Connecticut. State Geological and Natural History Survey of Connecticut. Guidebook No. 2, Trip F-6.

Henderson, William, A., Jr. (1970): Bavenite From Connecticut. Mineralogical Record, volume 1, no. 2.

Hiller, John Jr. (1971): Connecticut Mines and Minerals. Privately published.

Lundgren, Lawrence, Jr. (1979): The Bedrock Geology of the Haddam Quadrangle. State Geological and Natural History Survey of Connecticut. Quadrangle Report No. 37, pp. 9-13.

Weber, Marcelle H. and Earle C. Sullivan. (1995): Connecticut Mineral Locality Index. Rocks & Minerals (Connecticut Issue), Vol. 70, No. 6, p. 403.

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