Tag «nepheline syenite»

Sodalite Mineral

Sodalite: White, Green and grey colors of Sodlite mineral Sodalite is the third major mineral of the Feldspathoid group. It is comparatively rare than Nepheline and Leucite. It is found in blue and blue-voilet colors. Its chemical composition is Na4Al3Si3O12Cl. It is included in semi-precious gemstones. Its blue color helps to diagnose it. Its physical …