The "peacock" stone is one of the most beautiful gemstones and is classified as a type of feldspar from the family of plagioclase, which contains a high percentage of anorite (a type of calcium plagioclase) and is estimated to be between 50% and 70% Ranging from 2.68 to 2.72. Like most silicate lines the stone is slanted to white. The phenomenon of twinning in the Labradorite stone is observed due to its refractive index, estimated between 1.559 and 1.573. The structure of the stone and the three stone divisions are present. Two stone partitions are characterized by good angles, clear and high quality, while the third division of the stone is characterized by a low angle.