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Chalcophyllite from
Thier des Carrières, Cahay, Vielsalm, Luxembourg, Wallonia, Belgium


Locality type:Quarry
Classification
Species:Chalcophyllite
Formula:Cu18Al2(AsO4)4(SO4)3(OH)24 · 36H2O
Comments:Apart from the major elements, qualitative chemical analysis has shown low V, P, Cl, Ca and U contents (Hatert et al., 1998). The arsenic would originate from the alteration of arsenopyrite which also occurs in the deposit.
Habit:pseudohexagonal tablets up to 1mm, flattened parallel to the perfect cleavage plane (0001)
Colour:turquoise blue with pearly lustre
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcophyllite data
Locality Data:Click here to view Thier des Carrières, Cahay, Vielsalm, Luxembourg, Wallonia, Belgium
Data Identifiers
Mindat Occurrence Record ID:70425
Long-form Identifier:1:3:70425:8
GUID (UUID V4):0
Nearest other occurrences of Chalcophyllite
36.4km (22.6 miles) ⓘSlag dump, Forêt, Trooz, Liège, Wallonia, Belgium
54.0km (33.5 miles) ⓘCopper smelter slag locality, Kall, Euskirchen, Cologne, North Rhine-Westphalia, Germany
59.5km (37.0 miles) ⓘMünsterbusch zinc smelter slag locality, Stolberg, Aachen, Cologne, North Rhine-Westphalia, Germany
63.9km (39.7 miles) ⓘMaubacher Bleiberg, Hürtgenwald, Düren, Cologne, North Rhine-Westphalia, Germany
66.9km (41.6 miles) ⓘSclaigneaux slag locality, Seilles, Andenne, Namur, Wallonia, Belgium
87.6km (54.4 miles) ⓘRotem slag locality, Rotem, Dilsen-Stokkem, Limburg, Flanders, Belgium
References
Hatert, F., Blondiau, M., Dehove, J., Fransolet, A-M. (1998) Les minéraux secondaires en relation avec les sulfures de la region de Vielsalm, Belgique. Bulletin de la Société Royal des Sciences de Liège, 67(6), 281-289.
Hatert, F., Deliens, M., Fransolet, A.-M., Van Der Meersche, E. (2002) Les minéraux de Belgique (2nd ed.) Muséum des Sciences Naturelles, Bruxelles.
 
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