Occurrence of Samarskite-Y in the mineralized Umm Lassifa pegmatite, Central Eastern desert, Egypt

URN:NBN:SI:doc-V09W40R22015Raslan, Mohamed Fahmydocuments/doc/V/URN_NBN_SI_doc-V09W40R2_001.pdfdocuments/doc/V/URN_NBN_SI_doc-V09W40R2_001.txt258articlestr. 213-2200016-7789285646080URN:NBN:SI:doc-V09W40R2engGeološki zavod SlovenijeGeologijaBYEgiptEgyptmineralmineralinahajališčapuščaveOccurrence of Samarskite-Y in the mineralized Umm Lassifa pegmatite, Central Eastern desert, Egypt