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Nepheline Mineral

Nepheline: Nepheline found in gneiss rock Nepheline is the most abundant mineral of the feldspathoid group, which is abundantly found in the syenite igneous rocks of the volcanic eruption. Nepheline contains Sodium or Potassium with AlSiO4. Its chemical formula is (Na,K)AlSiO4. Some important physical properties of nepheline are as under; Physical Properties of Nepheline: It is vitreous greasy luster. …