Menu

Tag «minerals of feldspathoid group»

Leucite Mineral

Leucite Mineral: Leucite mineral is found in grey, yellow-grey, white, and even in colorless form. Leucite is another important rock-forming mineral of the feldspathoid group which includes potassium and aluminum tectosilicate and has a chemical formula KAlSi2O6. The name leucite has been derived from the Greek leucos for white, in allusion to its color. Specimens …

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 …