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Jennyhaugen Quarry, Drag, Tysfjord, Nordland, Norway

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(Jennygruva)

This locality was one of the largest granite-pegmatites in the Drag district. Quarrying started here in 1910.

Ref.:
- Sverdrup, T.L., Sæbø,P.Chr. & Bryn, K.Ö. (1965): Contribution to the Mineralogy of Norway No. 31. Tysonite (fluocerite), a new mineral for Norway. Norsk Geologisk Tidsskrift 45: 177-188





Mineral List:
  		•  'Bastnäsite'
    Habit: needles and plates
    Reference: [Sverdrup, T.L., Sæbø,P.Chr. & Bryn, K.Ö. (1965): Contribution to the Mineralogy of Norway No. 31. Tysonite (fluocerite), a new mineral for Norway. Norsk Geologisk Tidsskrift 45: 177-188 + Neumann (1985, p. 99).]
  		•  Fluocerite-(Ce)
    (Ce,La)F
     
    3
    Reference: [Neumann (1959, p. 233 and 1985, p. 51).]
  		•  Fluorite
    CaF
     
    2
    Reference: [Rekstad (1919, p. 33); Vogt (1923, p. 79); Neumann (1985, pp. 49-50).]
    Site Photo
    Jennyhaugen Quarry, Drag, Tysfjord, Nordland, Norway
    © Knut Eldjarn
  		•  Fluorite
    var: Yttrofluorite
    (Ca
     
    1-x
    		Y
     
    x
    		)F
     
    2+x
    		 where 0.05< x <0.3
    Description: Usually intergrown with fluocerite-(Ce).
    Reference: [Sverdrup, T.L., Sæbø,P.Chr. & Bryn, K.Ö. (1965): Contribution to the Mineralogy of Norway No. 31. Tysonite (fluocerite), a new mineral for Norway. Norsk Geologisk Tidsskrift 45: 177-188 + Neumann (1985, p. 50).]
  		•  Löllingite
    FeAs
     
    2
    Reference: [R. Kristiansen & G. Raade (1971); Neumann (1985, pp. 124-125).]
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Sverdrup, T.L., Sæbø,P.Chr. & Bryn, K.Ö. (1965): Contribution to the Mineralogy of Norway No. 31. Tysonite (fluocerite), a new mineral for Norway. Norsk Geologisk Tidsskrift 45: 177-188]
  		•  Microlite
    (Ca,Na)
     
    2
    		Ta
     
    2
    		O
     
    6
    		(O,OH,F)
    Reference: [G. Raade (1972, pers. com.); Neumann 81985, p. 78).]
  		•  Pharmacosiderite
    KFe
    3+
    4
    		[(OH)
     
    4
    		|(AsO
     
    4
    		)
     
    3
    		] · 6-7H
     
    2
    		O
    Description: Pharmacosiderite occure as an alteration product after löllingite.
    Reference: [R. Kristiansen & G. Raade (1972, pers. com.); Neumann (1985, p. 126).]
  		•  Scorodite
    Fe
    3+
     
    		AsO
     
    4
    		·2H
     
    2
    		O
    Description: Occure as an alteration product on löllingite, as botryoidal and banded agregates with brown to grey-blue colour.
    Reference: [R. Kristiansen & G. Raade (1971); Neumann (1985, pp. 124-125).]
  		•  Tantalite-(Mn)
    MnTa
     
    2
    		O
     
    6
    Reference: [G. Raade (1972, pers. com.); Neumann 81985, p. 78).]


    10 entries listed. 8 valid minerals.

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