Instructions
Look for areas where older mountain chains, and mines, are prevalent. The Appalachian mountains in the U.S., particularly in the mountainous region of North Carolina, is a heavily mined area, and a prime location to find moonstone.
Look for moonstones in areas where feldspar is significantly mined. Feldspar minerals comprise nearly 60 percent of the Earth's crust and contain varieties of minerals including moonstone. The feldspar region in the United States is mined out of North Carolina and Virginia.
Search for moonstone in areas where a high concentration of albite. Albite is a feldspar variety, containing moonstone in a high quantity. Albite minerals also contain some of the rarest forms of moonstone. These locations can be found around the country in areas such as Southern California, Maine, North Carolina, and Virginia.