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Allophane-evansite from
Mont-des-Groseillers, Blaton, Bernissart, Hainaut, Wallonia, Belgium


Locality type:Hill
Classification
Species:Allophane var: Allophane-evansite
Formula:(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Comments:"At Mont des Groseilliers (Blaton), the halloysite contains grainy cores and veinlets of a resinous phosphate and silica-bearing substance. It is made up of glassy, clear, colorless to pale brown grains showing a green fluorescence under UV. Van Tassel (1959) considers the substance to be a mixture of allophane and evansite." (Hatert et al., 2002)
Colour:colourless to light brown
Luminescent properties:green (UV)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Allophane-evansite data
Locality Data:Click here to view Mont-des-Groseillers, Blaton, Bernissart, Hainaut, Wallonia, Belgium
Data Identifiers
Mindat Occurrence Record ID:70983
Long-form Identifier:1:3:70983:7
GUID (UUID V4):046ce69c-3d56-4f8e-9870-cce8317528b9
References
 
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