Democratic Republic of the Congo Ethiopia Guinea Libya Malagasy Republic Mali Republic Morocco iti Contents...identify. In addition to marginal replacement by cancrinite, nepheline may be replaced by calcite or 8...nosean and haiiyne are typically found in lavas. Cancrinite crystallises in the hexagonal system and has...with carbonate, chlorine and sulphate radicals. Cancrinite occurs in coarse-grained rocks where it may be...locality in which the nepheline has been replaced by cancrinite and white mica, while malignite carries around