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Rossås (Rosås) 3 Feldspar Quarry, Rossås (Rosås), Iveland, Aust-Agder, Norway

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A small quarry (test pit) located some hundred meter West of the Rossås 2 Feldspar Quarry.
Bjørlykke locality nr 16.

Ref.:
- Schetelig, J.(1931) : Remarks on thalenite from some new occurrences in Southern Norway. Norsk Geologisk Tidsskrift 12, 507-519
- Bjørlykke, H.(1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311





Mineral List:
  		•  'Albite-Anorthite Series'
    Reference: [Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311 ]
  		•  Biotite
    Description: large plates
    Reference: [Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311 ]
  		•  Euxenite-(Y) ?
    (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)
     
    2
    		O
     
    6
    Description: Bjørlykke (1934) list this as "Euxenite group"
    Reference: [Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311 ]
  		•  'Fergusonite'
    Reference: [Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311 ]
  		•  'Gadolinite'
    Reference: [Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311 ]
  		•  Keiviite-(Y) ?
    (Y,Yb)
     
    2
    		[Si
     
    2
    		O
     
    7
    		]
    Description: It is a high probabality that the metamict mineral that has been described from the pegmatites of Evje-Iveland area as thalenite-(Y), in fact is keiviite-(Y) (ref: Neumann 1985, p 157 + pers. commentary Gunnar Raade 1988)
    Reference: [Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311 ]
  		•  Microcline
    K[AlSi
     
    3
    		O
     
    8
    		]
    Reference: [Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311 ]
  		•  'Monazite'
    Reference: [Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311 ]
  		•  Muscovite
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
    Reference: [Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311 ]
  		•  Quartz
    SiO
     
    2
    Reference: [Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311 ]
  		•  Thalénite-(Y) ?
    Y
     
    3
    		Si
     
    3
    		O
     
    10
    		(OH)
    Colour: deep red masses
    Description: Found between large plates of biotite. It is a high probabality that the metamict mineral that has been described from the pegmatites of Evje-Iveland area as thalenite-(Y), in fact is keiviite-(Y) (ref: Neumann 1985, p 157 + pers. commentary Gunnar Raade 1988)
    Reference: [Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311 ]
  		•  Zircon
    var: Alvite
    Reference: [Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311 ]


    12 entries listed. 6 valid minerals.

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