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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Silica from
Saint-Ghislain borehole, Saint-Ghislain, Hainaut, Wallonia, Belgium


Locality type:Borehole
Classification
Species:'Silica' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Silica data
Locality Data:Click here to view Saint-Ghislain borehole, Saint-Ghislain, Hainaut, Wallonia, Belgium
Data Identifiers
Mindat Occurrence Record ID:1074015
Long-form Identifier:1:3:1074015:2
GUID (UUID V4):0
References
Dejonghe, L., Demaiffe, D. & Weis, D. (1998) Strontium isotope geochemistry of anhydrites and calcite pseudomorphs after anhydrite from Paleozoic formations of Belgium. Chem. Geol. (Isot. Geosc.), 144, 63–71.
 
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