Celsian is a rare mineral that belongs to the feldspar group. It is commonly used in ceramics, glasses, and other materials. Synonyms for celsian include Albitite, Albite, Andesine, and Oligoclase. These minerals have similar properties and belong to the same family as celsian. They are commonly found in rocks and can be differentiated by their color and texture. The rareness of celsian makes it a valuable mineral for collectors and research purposes. Its unique properties also make it a valuable material for high-technology applications. Overall, celsian and its synonyms play an important role in the world of science and industry.