Moonstone is a sodium potassium aluminum silicate. Its name is derived from a visual effect, or sheen, caused by light diffraction within a microstructure consisting of a regular succession of feldspar layers. It is composed of two feldspar species, orthoclase and albite.
Brown A brown coating gives a piece of jewelry the color of chocolate (dark) or coffee (light) brown. This color of plating is not commonly seen in jewelry, and presents unique and exclusive statement pieces.