FELDSPAR (MINERAL DEPOSITS)
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BTCLAYS + FELDSPARS + ALUMINIUM SILICATES (MINERAL DEPOSITS)
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UDC553.613
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Descriptor GERFELDSPAT (LAGERSTÄTTEN)
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Descriptor ENGFELDSPAR (MINERAL DEPOSITS)
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Descriptor FREFELDSPATHS (GISEMENTS)
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RTCLAYS + FELDSPARS + ALUMINIUM SILICATES (MINERAL DEPOSITS)