Nephelite is a rare mineral that is part of the feldspathoid group. This mineral is usually found in alkaline plutonic rocks such as syenites and phonolites. It is commonly used in the manufacture of ceramics, glass, and building materials. If you are searching for synonyms for nephelite, you may come across terms such as soda feldspar, elaeolite, or nepholite. These words are used to describe minerals that have similar properties as nephelite, such as its chemical composition and appearance. While these terms may not be as commonly used, they are still helpful in identifying similar minerals and materials, especially in the field of geology and material sciences.