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Piemontite from
Lienne valley, Liège, Wallonia, Belgium


Locality type:River Valley
Classification
Species:Piemontite
Formula:(CaCa)(AlAlMn3+)O[Si2O7][SiO4](OH)
Comments:associated with spessartine and kutnohorite. Contains close to 4% Ce2O3 (Hatert et al., 2002).
Confirmation
Validity:Confirmed
Confirmation Methods:Ion Microprobe
Data
Mineral Data:Click here to view Piemontite data
Locality Data:Click here to view Lienne valley, Liège, Wallonia, Belgium
Data Identifiers
Mindat Occurrence Record ID:892252
Long-form Identifier:1:3:892252:6
GUID (UUID V4):0
References
Schreyer, W., Fransolet, A. -M., Abraham, K. (1986) A miscibility gap in trioctahedral Mn-Mg-Fe chlorites: Evidence from the Lienne Valley manganese deposit, Ardennes, Belgium. Contributions to Mineralogy and Petrology, 94 (3) 333-342 doi:10.1007/bf00371442
Hatert, F., Deliens, M., Fransolet, A.-M., Van Der Meersche, E. (2002) Les minéraux de Belgique (2nd ed.) Muséum des Sciences Naturelles, Bruxelles.
Hatert, Fréderic; Blondieau, Michel; Puccio, Stéphane; Baijot, Maxime; Gustine, Christelle (2014) Le gisement de manganèse de la Vallée de la Lienne, Belgique [The manganese deposit of the Lienne Valley, Belgium]. Le Règne Minéral, 20 (117). 5-24
 
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