White feldspar is a common mineral found in rocks all around the world. Known for its pearly white appearance, this mineral possesses a unique property of reflecting light. There are many synonyms for white feldspar including albite, which is a type of plagioclase feldspar, oligoclase, which is a common type of feldspar found in igneous rocks, and anorthite, a calcium-rich plagioclase feldspar. Another synonym is moonstone, a gemstone feldspar known for its lustrous blue or white sheen. Other interchangeable names include pegmatite, granite, and basalt. Whatever the name, white feldspar remains an important component of many rock formations and is used in various industrial applications.