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Route 13 area, Lunenburg, Worcester Co., Massachusetts, USA

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Area bedrock exposures of metamorphic rock consisting of schist/phyllite with calc-silicate pods and stringers.





Mineral List:
  		•  'Albite-Anorthite Series'
    Reference: [P Cristofono collection]
    Site Photo
    Route 13 area, Lunenburg, Worcester Co., Massachusetts, USA
    © 2005 Peter Cristofono
  		•  Amphibole Group
    var: Uralite
    Reference: [P Cristofono collection]
    Site Photo
    Route 13 area, Lunenburg, Worcester Co., Massachusetts, USA
    © 2006 Peter Cristofono
  		•  Apatite-(CaF)
    Ca
     
    5
    		[F|(PO
     
    4
    		)
     
    3
    		]
    Reference: [P Cristofono collection]
    Site Photo
    Route 13 area, Lunenburg, Worcester Co., Massachusetts, USA
    © 2005 Peter Cristofono
  		•  Arsenopyrite
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
    Reference: [P Cristofono collection]
  		•  Biotite
    Reference: [P Cristofono collection]
    Site Photo
    Route 13 area, Lunenburg, Worcester Co., Massachusetts, USA
    © 2005 Peter Cristofono
  		•  Calcite
    CaCO
     
    3
    Reference: [P Cristofono collection]
  		•  Chalcopyrite
    CuFeS
     
    2
    Reference: [P Cristofono collection]
    Site Photo
    Route 13 area, Lunenburg, Worcester Co., Massachusetts, USA
    © 2005 Peter Cristofono
  		•  Diopside
    CaMg[Si
     
    2
    		O
     
    6
    		]
    Reference: [P Cristofono collection]
    Site Photo
    Route 13 area, Lunenburg, Worcester Co., Massachusetts, USA
    © 2005 Peter Cristofono
  		•  'Hornblende'
    Colour: dark green
    Description: An intermediate hornblende. Analyzed specimens had Mg>Fe to a small extent.
    Reference: [P Cristofono collection.]
    Site Photo
    Route 13 area, Lunenburg, Worcester Co., Massachusetts, USA
    © 2005 Peter Cristofono
  		•  'Manganese Oxides
    var: Manganese Dendrites'
    Reference: [P Cristofono collection]
    Site Photo
    Route 13 area, Lunenburg, Worcester Co., Massachusetts, USA
    © 2006 Peter Cristofono
  		•  Muscovite
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [P Cristofono collection]
    Site Photo
    Route 13 area, Lunenburg, Worcester Co., Massachusetts, USA
    © 2005 Peter Cristofono
  		•  Opal
    var: Opal-AN
    SiO
     
    2
    		·nH
     
    2
    		O
    Reference: [P Cristofono collection]
    Site Photo
    Route 13 area, Lunenburg, Worcester Co., Massachusetts, USA
    © 2006 Peter Cristofono
  		•  Pyrite
    FeS
     
    2
    Reference: [P Cristofono collection]
  		•  Pyrrhotite
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
    Reference: [P Cristofono collection]
  		•  Quartz
    SiO
     
    2
    Reference: [P Cristofono collection]
  		•  'Scapolite'
    Reference: [P Cristofono collection]
    Site Photo
    Route 13 area, Lunenburg, Worcester Co., Massachusetts, USA
    © 2005 Peter Cristofono
  		•  Titanite
    CaTi[O|SiO
     
    4
    		]
    Reference: [P Cristofono collection]
    Site Photo
    Route 13 area, Lunenburg, Worcester Co., Massachusetts, USA
    © 2005 Peter Cristofono


    17 entries listed. 10 valid minerals.

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