Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Biotite from
Trapp Quarries, Raon-l'Étape, Saint-Dié-des-Vosges, Vosges, Grand Est, France


Locality type:Quarry
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Trapp Quarries, Raon-l'Étape, Saint-Dié-des-Vosges, Vosges, Grand Est, France
Data Identifiers
Mindat Occurrence Record ID:74246
Long-form Identifier:1:3:74246:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
26.9km (16.7 miles) ⓘCorcieux Quarry, Corcieux, Saint-Dié-des-Vosges, Vosges, Grand Est, France
31.3km (19.4 miles) ⓘBluttenberg, Sainte-Marie-aux-Mines, Colmar-Ribeauvillé, Haut-Rhin, Grand Est, France
38.1km (23.7 miles) ⓘLe Haut-Poirot, Gérardmer, Saint-Dié-des-Vosges, Vosges, Grand Est, France
40.1km (24.9 miles) ⓘLes Bas Rupts, Gérardmer, Saint-Dié-des-Vosges, Vosges, Grand Est, France
40.5km (25.2 miles) ⓘSaint-Nabor quarries, Saint-Nabor, Molsheim, Bas-Rhin, Grand Est, France
49.6km (30.8 miles) ⓘWasserbourg quarry, Wasserbourg, Colmar-Ribeauvillé, Haut-Rhin, Grand Est, France
68.6km (42.6 miles) ⓘHorberig, Oberbergen, Vogtsburg im Kaiserstuhl, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
83.8km (52.1 miles) ⓘPotash mine, Buggingen, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany
86.8km (53.9 miles) ⓘFuchsköpfle quarry, Herdern, Freiburg im Breisgau, Freiburg Region, Baden-Württemberg, Germany
94.6km (58.8 miles) ⓘHechtsberg quarry, Hausach, Hausach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany
References
Wittern, A.; Journée, J.R. (1997) Mineralien finden in den Vogesen. Verlag Sven von Loga. 160 pp.pp.27-28
 
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