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Mineral Hill, Elwyn, Middletown Township, Delaware Co., Pennsylvania, USA

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


Mineral List:
  		•  Actinolite
    ☐Ca
     
    2
    		(Mg,Fe
    2+
     
    		)
     
    5
    		(Si
     
    8
    		O
     
    22
    		)(OH)
     
    2
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  Albite
    Na[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  Albite
    var: Albite Moonstone
    Reference: [Gordon\'s Mineralogy of Pennsylvania (1922) p. 191]
    Site Photo
    Mineral Hill, Elwyn, Middletown Township, Delaware Co., Pennsylvania, USA
    © 2007, JGW
  		•  Almandine
    Fe
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  Anthophyllite
    ☐[Mg
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [Joe Dunleavy (Pers. Comm.)]
    Site Photo
    Mineral Hill, Elwyn, Middletown Township, Delaware Co., Pennsylvania, USA
    © M.Heintzelman
  		•  'Asbestos'
    Description: amphibole asbestos
    Reference: [Gordon's Mineralogy of Pennsylvania (1922) p. 191]
  		•  Beryl
    Be
     
    3
    		Al
     
    2
    		Si
     
    6
    		O
     
    18
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  'Chlorite Group'
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  Chromite
    FeCr
     
    2
    		O
     
    4
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  Chrysotile
    Mg
     
    3
    		Si
     
    2
    		O
     
    5
    		(OH)
     
    4
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  Columbite
    (Fe,Mn)(Nb,Ta)
     
    2
    		O
     
    6
    Reference: [Gordon\'s Mineralogy of Pennsylvania (1922) p. 191]
  		•  Corundum
    Al
     
    2
    		O
     
    3
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  'Deweylite'
    Mg
     
    4
    		Si
     
    3
    		O
     
    10
    		·6H
     
    2
    		O ?
    Reference: [Mineralogy of Pennsylvania-1922; Samuel Gordon, pgs 123-124]
    Site Photo
    Mineral Hill, Elwyn, Middletown Township, Delaware Co., Pennsylvania, USA
    © M.Heintzelman
  		•  Enstatite
    Mg
     
    2
    		[SiO
     
    3
    		]
     
    2
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  'Fergusonite'
    Reference: [Gordon, 1922. Mineralogy of Pennsylvania]
  		•  'Hornblende'
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  Hypersthene
    (Fe,Mg)SiO
     
    3
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  Kyanite
    Al
     
    2
    		[O|SiO
     
    4
    		]
    Reference: [Gordon, 1922. Mineralogy of Pennsylvania]
  		•  Magnesite
    MgCO
     
    3
    Reference: [Gordon\'s Mineralogy of Pennsylvania (1922) p. 191]
  		•  Magnetite
    Fe
    2+
     
    		Fe
    3+
    2
    		O
     
    4
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  Margarite
    CaAl
     
    2
    		[(OH)
     
    2
    		|Al
     
    2
    		Si
     
    2
    		O
     
    10
    		]
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  Microcline
    var: Amazonite
    Reference: [Gordon\'s Mineralogy of Pennsylvania (1922) p. 191]
  		•  Microcline
    var: Sunstone
    Reference: [Joe Dunleavy (Pers. Comm.)]
    Site Photo
    Mineral Hill, Elwyn, Middletown Township, Delaware Co., Pennsylvania, USA
    © M.Heintzelman
  		•  Microlite
    (Ca,Na)
     
    2
    		Ta
     
    2
    		O
     
    6
    		(O,OH,F)
    Reference: [Gordon\'s Mineralogy of Pennsylvania (1922) p. 191]
  		•  Muscovite
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  Orthoclase
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  Orthoclase
    var: Delawarite
    Reference: [Gordon\'s Mineralogy of Pennsylvania (1922) p. 191]
  		•  Quartz
    SiO
     
    2
    Reference: [Gordon\'s Mineralogy of Pennsylvania (1922) p. 191]
  		•  Quartz
    var: Rock Crystal
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  Quartz
    var: Smoky Quartz
    SiO
     
    2
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  Samarskite-(Y)
    (Y,Fe
    3+
     
    		,Fe
    2+
     
    		,U,Th,Ca)
     
    2
    		(Nb,Ta)
     
    2
    		O
     
    8
    Reference: [Gordon, 1922. Mineralogy of Pennsylvania]
  		•  'Serpentine Group'
    D
     
    2
    		[Si
     
    2
    		O
     
    5
    		](OH)4 + or - nH
     
    2
    		O
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  'Serpentine Group
    var: Retinalite'
    Reference: [Gordon\'s Mineralogy of Pennsylvania (1922) p. 191]
  		•  Sillimanite
    Al
     
    2
    		[O|SiO
     
    4
    		]
    Reference: [Gordon, 1922. Mineralogy of Pennsylvania]
  		•  Staurolite
    (Fe
    2+
     
    		,Mg,Zn)
     
    1.5-2
    		Al
     
    9
    		[O
     
    6
    		|(OH,O)
     
    2
    		|(SiO
     
    4
    		)
     
    4
    		]
    Reference: [Gordon, 1922. Mineralogy of Pennsylvania]
  		•  Talc
    Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  Tremolite
    ☐[Ca
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
    Reference: [Joe Dunleavy (Pers. Comm.)]
  		•  Vermiculite
    (Mg,Fe,Al)
     
    3
    		(Al,Si)
     
    4
    		O
     
    10
    		(OH)
     
    2
    		·4H
     
    2
    		O
    Reference: [Joe Dunleavy (Pers. Comm.)]


    39 entries listed. 24 valid minerals.

    Localities in this Region:
    USA
     
    • Pennsylvania
      • Delaware Co.
        • Middletown Township
          • Elwyn
            • Mineral Hill

    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 Pennsylvania, 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: 27th Nov 2009 00:03:48