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Tag «sodalite»

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 …

Felspathoid group of minerals

The feldspathoids are anhydrous framework silicates. The amount of silica in them is lesser than felspars. Nepheline, leucite, and sodalite are the important members of this group, which are being discussed in the below lines. (1). Nepheline: Nepheline contains Sodium or Potassium with AlSiO4. Its chemical formula is (Na,K)AlSiO4. Some important physical properties of nepheline …