Rainbow moonstone is prized for its aesthetic beauty and is associated with various metaphysical benefits like enhancing intuition and promoting emotional balance. Jewelers use it primarily in protective settings due to its moderate hardness, while in home decor, it is used to foster a serene environment. Its main origins are India and Madagascar. 
Metaphysical Benefits
Rainbow moonstone is widely considered a stone of emotional healing, intuition, and new beginnings. 
Jeweler Uses
Due to its captivating adularescence (the play of iridescent colors), rainbow moonstone is a popular choice for various jewelry pieces. 
Home Decor Uses
Beyond personal adornment, rainbow moonstone can be integrated into living spaces to enhance the environment with its calming and harmonizing energy. 
Origin
Rainbow moonstone is a variety of the mineral labradorite (a type of feldspar) and is found in several locations around the world.