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Trimouns Talc Mine, Luzenac, Ariège, Midi-Pyrénées, France

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Note on the mineral list: analyses have shown that most specimens of "allanite-(Ce)" from this locality are in fact dissakisite-(Ce); the crystals may also be quite zoned.



References:
- Favreau, G. (1994): Trimouns, Ariège, Frankreich: Seltenerden-Mineralien aus dem Dolomit. Lapis, 19 (12), 18-39; 58. (in German)
- de Parseval, P., Fontan, F., Aigouy, T. (1997): Composition chimique des minéraux de terres rares de Trimouns (Ariège, France). C. R. Acad. Sc. Paris, 234, Sér. IIa, 625-630.
- Marty, F. (2004). "The Trimouns quarry, Luzenac - Ariège - France." The Mineralogical Record, 35(3), 225-247+274.
- Gatel, P. , Parodi, G. , Parseval (De), P. , Fontan, F. and Marty, F. (2002). "Les minéraux de terres rares à Trimouns." Le Règne Minéral(Hors série 8), 29-63.
- Gatel, P. , Parodi, G. , Parseval (De), P. and Fontan, F. (2002). "Les minéraux de terres rares (T.R.)." Le Règne Minéral(Hors série 8), 20-28.
- Gatel, P. and Marty, F. (2002). "Autres espèces de Trimouns." Le Règne Minéral(Hors série 8), 64-76.
- Gatel, P. (2006). "La trimounsite-(Y) de Trimouns, Luzenac (Ariège)." Le Cahier des Micromonteurs(93), 122-123.
- Mihoko Hoshino, Mitsuyoshi Kimata, Norimasa Nishida & Masahiro Shimizu (2008): Crystal chemical significance of chemical zoning in dissakisite-(Ce). Phys. Chem. Minerals 35, 59-70.

- http://www.findarticles.com/p/articles/mi_qa3672/is_200405/ai_n9380791




Group 1 - Elements
  		• Graphite1.CB.05a
    C
  		• Sulphur1.CC.05
    S
     
    8
    Group 2 - Sulphides and Sulfosalts
  		• Arsenopyrite2.EB.20
    FeAsS - (Fe
     
    0.90
    		Co
     
    0.10
    		)AsS
  		• Chalcopyrite2.CB.10a
    CuFeS
     
    2
  		• Galena ?2.CD.10
    PbS
  		• Pyrite2.EB.05a
    FeS
     
    2
  		• Pyrrhotite2.CC.10
    Fe
     
    7
    		S
     
    8
    		, (-4M), also given as Fe
     
    1-x
    		S (x = 0 - 0.2)
  		• Stibnite2.DB.05
    Sb
     
    2
    		S
     
    3
    Group 4 - Oxides and Hydroxides
  		• Aeschynite-(Y)4.DF.05
    (Y,Ca,Fe,Th)(Ti,Nb)
     
    2
    		(O,OH)
     
    6
  		• Anatase ?4.DD.05
    TiO
     
    2
  		• Brookite4.DD.10
    TiO
     
    2
  		• Cassiterite4.DB.05
    SnO
     
    2
  		• Goethite4.FD.10
    α-Fe
    3+
     
    		O(OH)
  		• Quartz4.DA.05
    SiO
     
    2
      var: Rock Crystal4.DA.05
    SiO
     
    2
      var: Smoky Quartz4.DA.05
    SiO
     
    2
  		• Rutile4.DB.05
    TiO
     
    2
    Group 5 - Nitrates and Carbonates
  		• Aragonite5.AB.15
    CaCO
     
    3
  		• Bastnäsite-(Ce)5.BD.20a
    (Ce,La)[F|CO
     
    3
    		]
  		• Calcite5.AB.05
    CaCO
     
    3
  		• Dolomite5.AB.10
    CaMg(CO
     
    3
    		)
     
    2
  		• Malachite5.BA.10
    Cu
     
    2
    		[(OH)
     
    2
    		|CO
     
    3
    		]
  		• Parisite-(Ce)5.BD.20b
    Ca(Ce,La)
     
    2
    		[F
     
    2
    		|(CO
     
    3
    		)
     
    3
    		]
  		• Synchysite-(Ce)5.BD.20c
    Ca(Ce,La)[F|(CO
     
    3
    		)
     
    2
    		]
    Group 7 - Sulphates, Chromates, Molybdates and Tungstates
  		• Gypsum7.CD.40
    Ca[SO
     
    4
    		] · 2H
     
    2
    		O
  		• Scheelite7.GA.05
    Ca[WO
     
    4
    		]
    Group 8 - Phosphates, Arsenates and Vanadates
  		• Apatite-(CaF)8.BN.05
    Ca
     
    5
    		[F|(PO
     
    4
    		)
     
    3
    		]
  		• Monazite-(Ce)8.AD.50
    (Ce,La,Nd,Th)PO
     
    4
  		• Xenotime-(Y)8.AD.35
    YPO
     
    4
    Group 9 - Silicates
  		• Albite9.FA.35
    Na[AlSi
     
    3
    		O
     
    8
    		]
  		• Allanite-(Ce)9.BG.05
    {CaCe}{Al
     
    2
    		Fe
    2+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
  		• Almandine9.AD.25
    Fe
    2+
    3
    		Al
     
    2
    		[SiO
     
    4
    		]
     
    3
  		• Biotite9..
  		• Clinochlore9.EC.55
    (Mg,Fe
    2+
     
    		)
     
    5
    		Al[(OH)
     
    8
    		|AlSi
     
    3
    		O
     
    10
    		]
      var: Ripidolite9.EC.55
    (Mg,Fe,Al)
     
    6
    		(Si,Al)
     
    4
    		O
     
    10
    		(OH)
     
    8
  		• Clinozoisite9.BG.05
    {Ca
     
    2
    		}{Al
     
    3
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
  		• Dissakisite-(Ce)9.BG.05
    {CaCe}{Al
     
    2
    		Mg}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
  		• Epidote9.BG.05
    {Ca
     
    2
    		}{Al
     
    2
    		Fe
    3+
     
    		}[O|OH|SiO
     
    4
    		|Si
     
    2
    		O
     
    7
    		]
  		• Gadolinite-(Y)9.AJ.20
    Y
     
    2
    		Fe
    2+
     
    		Be
     
    2
    		[O|SiO
     
    4
    		]
     
    2
  		• Gatelite-(Ce) (TL)9.BG.50
    CaCe
     
    3
    		Al
     
    2
    		(Al,Mg)(Mg,Fe
    2+
     
    		,Al)[(O,F)|(OH,O)
     
    2
    		|(SiO
     
    4
    		)
     
    3
    		|Si
     
    2
    		O
     
    7
    		]
  		• Hellandite-(Y)9.DK.20
    (Ca,Y)
     
    6
    		(Al,Fe
    3+
     
    		)Si
     
    4
    		B
     
    4
    		O
     
    20
    		(OH)
     
    4
  		• Hingganite-(Y)9.AJ.20
    (Y,REE,Ca)
     
    2
    		(□,Fe
    2+
     
    		)Be
     
    2
    		[SiO
     
    4
    		]
     
    2
    		(OH)
     
    2
  		• Iimoriite-(Y)9.AH.05
    Y
     
    2
    		[CO
     
    3
    		|SiO
     
    4
    		]
  		• Muscovite9.EC.15
    KAl
     
    2
    		[(OH)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Palygorskite9.EE.20
    (Mg,Al)
     
    5
    		(Si,Al)
     
    8
    		O
     
    20
    		(OH)
     
    2
    		·8H
     
    2
    		O
  		• Phlogopite9.EC.20
    KMg
     
    3
    		[(OH,F)
     
    2
    		|AlSi
     
    3
    		O
     
    10
    		]
  		• Schorl9.CK.05
    [Na][Fe
    2+
    3
    		][Al
     
    6
    		][(OH)
     
    3
    		|OH|(BO
     
    3
    		)
     
    3
    		|Si
     
    6
    		O
     
    18
    		]
  		• Stellerite9.GE.15
    Ca[Al
     
    2
    		Si
     
    7
    		O
     
    18
    		] · 7H
     
    2
    		O
  		• Stilbite-Ca9.GE.10
    NaCa
     
    4
    		[Al
     
    9
    		Si
     
    27
    		O
     
    72
    		] · nH
     
    2
    		O
  		• Talc9.EC.05
    Mg
     
    3
    		Si
     
    4
    		O
     
    10
    		(OH)
     
    2
  		• Thortveitite9.BC.05
    (Sc,Y)
     
    2
    		[Si
     
    2
    		O
     
    7
    		]
  		• Titanite9.AG.15
    CaTi[O|SiO
     
    4
    		]
      var: Greenovite9.AG.15
    CaTi[O|SiO
     
    4
    		]
  		• Tremolite9.DE.10
    ☐[Ca
     
    2
    		][Mg
     
    5
    		][(OH)
     
    2
    		|Si
     
    8
    		O
     
    22
    		]
  		• Trimounsite-(Y) (TL)9.AG.25
    Y
     
    2
    		Ti
     
    2
    		[O
     
    5
    		|SiO
     
    4
    		]
  		• Törnebohmite-(Ce)9.AG.45
    (Ce,La)
     
    2
    		Al(SiO
     
    4
    		)
     
    2
    		OH
  		• Vesuvianite9.BG.35
    Ca
     
    10
    		(Mg,Fe)
     
    2
    		Al
     
    4
    		Si
     
    9
    		O
     
    34
    		(OH)
     
    4
    Unclassified Minerals
  		• 'Bastnäsite'-
  		• 'Chabazite'-
  		• 'Chlorite Group'-
  		• Limonite-
    FeO(OH)·nH
     
    2
    		O


    61 entries listed. 56 valid minerals.

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