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Barlet Fluorite Mine (La Drey Mine; La Dreyt Mine; La Costette Mine), Barlet, Langeac, Haute-Loire, Auvergne, France

Latitude: 45°2'57"N
Longitude: 3°29'42"E
Ancient fluorite mine. Complex veins with green and violet banded fluorite replaced by quartz and sulphides in the deep parts and extremities of the vein; barite and blue fluorite with mixed-layer illite/smectite is associated.
Early stages of the mineralization show microbrecciated black quartz with arsenopyrite.
Host rocks are gneisses and muscovite quartzites.

135 000 tons of fluorite have been worked out.

Located near Barlet, around 6 km S of Langeac.
The vein is located North of Le Barlet hamlet (path from La Bretogne to Barlet)

Mineral List

Acanthite
Arsenopyrite
Baryte
Beudantite
Bismuth
Bismuthinite
Bornite
Bournonite
Brochantite
Calcite
var: Ferroan Calcite
Cerussite
Chalcanthite
Chalcopyrite
'Chlorite Group'
Covellite
Cubanite
Fluorite
Freibergite
Galena
Gersdorffite
Gold
var: Electrum

Gustavite
Hematite
Idaite
Illite
Kaolinite
'K Feldspar
var: Adularia'

Limonite
Linnaeite
Malachite
Marcasite
Matildite
Melanterite
'Monazite'
Muscovite
Pyrite
Quartz
Rutile
Schapbachite ?
Siderite
'Smectite Group'
Sphalerite


43 entries listed. 36 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 26th Jun 2011 13:58:19
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