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Allophane from
Curfs quarry, Houthem, Valkenburg aan de Geul Municipality, Limburg, Netherlands

Locality type:Quarry
Classification
Species:Allophane
Formula:(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Confirmation
Validity:Believed Valid
References
References:Buurman et al (1975) in 'Geologie en Mijnbouw'
Data
Mineral Data:Click here to view Allophane data
Locality Data:Click here to view Curfs quarry, Houthem, Valkenburg aan de Geul Municipality, Limburg, Netherlands
Nearest other occurrences of Allophane
17.5km (10.9 miles) Richelle, Visé, Liège, Wallonia, Belgium
19.8km (12.3 miles) Argenteau, Visé, Liège, Wallonia, Belgium
24.4km (15.2 miles) Erlenbach Mine, Lontzen, Plombières-Vieille Montagne-Moresnet mining district (Plombières-Altenberg-Moresnet mining district), Liège, Wallonia, Belgium
27.2km (16.9 miles) Lindengraben, Fossey Mine, Astenet, Lontzen, Plombières-Vieille Montagne-Moresnet mining district (Plombières-Altenberg-Moresnet mining district), Liège, Wallonia, Belgium
27.3km (16.9 miles) Fossey Mine, Astenet, Lontzen, Plombières-Vieille Montagne-Moresnet mining district (Plombières-Altenberg-Moresnet mining district), Liège, Wallonia, Belgium
27.3km (17.0 miles) Prester, Fossey mine, Astenet, Lontzen, Plombières-Vieille Montagne-Moresnet mining district (Plombières-Altenberg-Moresnet mining district), Liège, Wallonia, Belgium
28.3km (17.6 miles) Rabotrath Mine, Walhorn, Lontzen, Plombières-Vieille Montagne-Moresnet mining district (Plombières-Altenberg-Moresnet mining district), Liège, Wallonia, Belgium
30.9km (19.2 miles) Angleur, Liège, Liège, Wallonia, Belgium
32.6km (20.2 miles) La Rochette, Chaudfontaine, Liège, Wallonia, Belgium
36.0km (22.4 miles) Oneux Mines, Oneux, Theux, Liège, Wallonia, Belgium
 
Mineral and/or Locality  
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