Rainbow flashes in this moonstone bar are shown off nicely by all the facets, on a 14k goldfill chain. Moonstone is the feminine stone and is composed of two minerals, orthoclase and albite. At first, the two minerals are intermingled. Then, as the newly formed mineral cools, they separate into stacked, alternating layers.Approx 1.25" tall rainbow moonstone natural stone16" 14k goldfill chain