Moonstone nose stud While Moonstones of this coloration usually are not as common as the other colours of the stone, you could see by its sheen that it has become the Moonstone family. Moonstone is actually a subvariety of orthoclase-feldspar that shows an optical influence generally known as opalescence. This https://www.amazon.com/stores/page/9113EA12-7A81-49E7-978C-135D37C9A9A2