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Böen, Roanne, Loire, Rhône-Alpes, France

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Upper Visean anthracifer tuffs (rhyolite).





Mineral List:
  		•  Albite
    var: Oligoclase
    (Na,Ca)[Al(Si,Al)Si
     
    2
    		O
     
    8
    		]
    Reference: [J. Bertaux, Bull. Minéral. , 1982, 105, pp. 212-222.]
  		•  Almandine
    Fe
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
    Reference: [J. Bertaux, Bull. Minéral. , 1982, 105, pp. 212-222.]
  		•  'Apatite'
    Reference: [J. Bertaux, Bull. Minéral. , 1982, 105, pp. 212-222.]
  		•  Biotite
    Reference: [J. Bertaux, Bull. Minéral. , 1982, 105, pp. 212-222.]
  		•  'Chlorite Group'
    Description: Chloritized biotite.
    Reference: [J. Bertaux, Bull. Minéral. , 1982, 105, pp. 212-222.]
  		•  'Clinopyroxene Subgroup'
    Reference: [J. Bertaux, Bull. Minéral. , 1982, 105, pp. 212-222.]
  		•  'Coal
    var: Anthracite'
    Reference: [J. Bertaux, Bull. Minéral. , 1982, 105, pp. 212-222.]
  		•  Corundum
    Al
     
    2
    		O
     
    3
    Description: Restite.
    Reference: [J. Bertaux, Bull. Minéral. , 1982, 105, pp. 212-222.]
  		•  'K Feldspar'
    Reference: [J. Bertaux, Bull. Minéral. , 1982, 105, pp. 212-222.]
  		•  Pyrite
    FeS
     
    2
    Reference: [J. Bertaux, Bull. Minéral. , 1982, 105, pp. 212-222.]
  		•  Quartz
    SiO
     
    2
    Reference: [J. Bertaux, Bull. Minéral. , 1982, 105, pp. 212-222.]
  		•  Sillimanite
    Al
     
    2
    		[O|SiO
     
    4
    		]
    Description: Restite.
    Reference: [J. Bertaux, Bull. Minéral. , 1982, 105, pp. 212-222.]
  		•  Spinel
    MgAl
     
    2
    		O
     
    4
    Description: Restite.
    Reference: [J. Bertaux, Bull. Minéral. , 1982, 105, pp. 212-222.]
  		•  Zircon
    Zr[SiO
     
    4
    		]
    Reference: [J. Bertaux, Bull. Minéral. , 1982, 105, pp. 212-222.]


    14 entries listed. 7 valid minerals.

    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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