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Montbelleux Mine, Fougères, Ille-et-Vilaine, Brittany, France

Vein/stockwork type tungsten deposit, mined from 1902 to 1983.
Pneumatolytic-hydrothermal quartz-cassiterite-ferberite-molybdenite veins.

Ref.:
- Werner, A.B.T., Sinclair, W.D., and Amey, E.B. (1998): International Strategic Mineral Issues Summary Report - Tungsten. US Geological Survey Circular 930-O.





Map Reference: 48°20'N , 1°11'W

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Mineral List:
'Adularia'
'Apatite'
Arsenopyrite
Bismuth
Bismuthinite
'Bitumen'
Calcite
Cassiterite
Chalcopyrite
'Chlorite Group'
Covellite
Digenite
Ferberite
Fluorite
Galena
Gersdorffite
Hübnerite
Ilmenite
Löllingite
Mackinawite
Magnetite
Marcasite
Molybdenite
Muscovite
var: Damourite
Pyrite
Pyrrhotite
Quartz
Rutile
Scheelite
Siderite
Sphalerite
Stannite
Topaz
'Tourmaline'
Tungstite
Uraninite


37 entries listed. 31 valid minerals.

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