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Somerville, Middlesex Co., Massachusetts, USA

StandardDetailedBy ChemistryMineral Photos (18)Site Photos (2)Search GoogleMineral Report for Region

Mineral list contains entries from the region specified including sub-localities


Mineral List:
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Am.Jour.Science 300:630-655 (October, 2000)]
  		•  Albite
    var: Andesine
    (Na,Ca)[Al(Si,Al)Si
     
    2
    		O
     
    8
    		]
    Reference: [Jaggar, 1898. American Geologist 21(4):203-212]
  		•  Amphibole Group
    var: Uralite
    Reference: [Jaggar, 1898. American Geologist 21(4):203-212]
  		•  Anatase
    TiO
     
    2
    Reference: [Gleba, 1978. Massachusetts Mineral & Fossil Localities]
    Site Photo
    Somerville, Middlesex Co., Massachusetts, USA
    © Don Volkman 03/06
  		•  Anorthite
    var: Labradorite
    (Ca,Na)[Al(Al,Si)Si
     
    2
    		O
     
    8
    		]
    Reference: [Jaggar, 1898. American Geologist 21(4):203-212]
    Site Photo
    Somerville, Middlesex Co., Massachusetts, USA
    © 2008 Peter Cristofono
  		•  'Apatite'
    Reference: [Jaggar, 1898. American Geologist 21(4):203-212]
  		•  Augite
    (Ca,Na)(Mg,Fe
    2+
     
    		,Al,Fe
    3+
     
    		,Ti)[(Si,Al)
     
    2
    		O
     
    6
    		]
    Reference: [Jaggar, 1898. American Geologist 21(4):203-212]
  		•  Babingtonite
    Ca
     
    2
    		(Fe,Mn)FeSi
     
    5
    		O
     
    14
    		(OH)
    Reference: [Rocks & Min. 21:849; Harvard Mineralogical Museum no. 133355]
  		•  Biotite
    Reference: [Gleba, 1978. Massachusetts Mineral & Fossil Localities]
  		•  Brookite
    TiO
     
    2
    Reference: [Gleba, 1978. Massachusetts Mineral & Fossil Localities; Rocks & Min.: 22:11.]
    Site Photo
    Somerville, Middlesex Co., Massachusetts, USA
    © 2006 Peter Cristofono
  		•  Calcite
    CaCO
     
    3
    Reference: [Jaggar, 1898. American Geologist 21(4):203-212]
  		•  'Chabazite'
    Reference: [Palache & Fraprie, Proc.Am.Acad.Arts.Sci. 38:383-393.]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [Gleba, 1978. Massachusetts Mineral & Fossil Localities; Rocks & Min.: 22:11.]
  		•  'Chlorite Group'
    Reference: [Jaggar, 1898. American Geologist 21(4):203-212]
  		•  Clinochlore
    var: Delessite
    (Mg,Fe,Fe,Al)(Si,Al)
     
    4
    		O
     
    10
    		(O,OH)
     
    8
    Reference: [Palache & Fraprie, Proc.Am.Acad.Arts.Sci. 38:383-393.]
  		•  Epidote
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
    Reference: [Jaggar, 1898. American Geologist 21(4):203-212]
  		•  Graphite
    C
    Reference: [Gleba, 1978. Massachusetts Mineral & Fossil Localities]
  		•  'Hornblende'
    Reference: [Jaggar, 1898. American Geologist 21(4):203-212]
  		•  Illite
    K
     
    0.65
    		A
     
    2.0
    		 [][Al
     
    0.65
    		Si,
     
    3.35
    		O
     
    10
    		](OH)
     
    2
    Reference: [Am.Jour.Science 300:630-655 (October, 2000)]
  		•  Ilmenite
    Fe
    2+
     
    		TiO
     
    3
    Reference: [Palache, C., Geological Magazine (1907), p. 365.]
    Site Photo
    Somerville, Middlesex Co., Massachusetts, USA
    © 2007 Peter Cristofono
  		•  Laumontite
    CaAl
     
    2
    		Si
     
    4
    		O
     
    12
    		·4H
     
    2
    		O
    Reference: [Tschernich, 1992. Zeolites of the World]
  		•  Leucoxene
    Reference: [Jaggar, 1898. American Geologist 21(4):203-212]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [Gleba, 1978. Massachusetts Mineral & Fossil Localities]
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Jaggar, 1898. American Geologist 21(4):203-212]
  		•  'Olivine'
    (Mg,Fe
    2+
     
    		)
     
    2
    		[SiO
     
    4
    		]
    Reference: [Gleba, 1978. Massachusetts Mineral & Fossil Localities]
  		•  Prehnite
    Ca
     
    2
    		Al
     
    2
    		Si
     
    3
    		O
     
    12
    		(OH)
    Reference: [Palache & Fraprie, Proc.Am.Acad.Arts.Sci. 38:383-393.]
    Site Photo
    Somerville, Middlesex Co., Massachusetts, USA
    © 2008 Peter Cristofono
  		•  Pyrite
    FeS
     
    2
    Reference: [Gleba, 1978. Massachusetts Mineral & Fossil Localities]
  		•  Quartz
    SiO
     
    2
    Reference: [Gleba, 1978. Massachusetts Mineral & Fossil Localities]
    Site Photo
    Somerville, Middlesex Co., Massachusetts, USA
    © 2006 Peter Cristofono
  		•  Rutile
    TiO
     
    2
    Reference: [Rocks & Min.: 22:11.]
  		•  Sphalerite
    (Zn,Fe
    2+
     
    		)S
    Reference: [Gleba, 1978. Massachusetts Mineral & Fossil Localities; Rocks & Min.: 22:11.]
  		•  'Stilbite'
    Reference: [Palache & Fraprie, Proc.Am.Acad.Arts.Sci. 38:383-393.]
  		•  Stilpnomelane
    (K,Ca,Na)(Fe
    2+
     
    		,Mg,Al,Fe
    3+
     
    		)
     
    8
    		(Si,Al)
     
    12
    		(O,OH)
     
    36
    		 · nH
     
    2
    		O
    Reference: [Palache & Fraprie, Proc.Am.Acad.Arts.Sci. 38:383-393.]
  		•  Titanite
    CaTi[O|SiO
     
    4
    		]
    Reference: [Gleba, 1978. Massachusetts Mineral & Fossil Localities; Rocks & Min.: 22:11.]
  		•  Zircon
    Zr[SiO
     
    4
    		]
    Reference: [Am.Jour.Science 300:630-655 (October, 2000)]


    34 entries listed. 22 valid minerals.

    Localities in this Region:
    USA
     
    • Massachusetts
      • Middlesex Co.
        • Somerville

    The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in Massachusetts, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 30th Nov 2009 04:58:49