Product Code: RSMOON. Rainbow Moonstone is the gemstone of the moon. It channels Foretelling the Future, Good Fortune, and Protection. Our Rainbow Moonstone Gemstone Runes are beautifully carved 25-piece sets with engraved lettering and hand-painted in gold. Comes in a velvet carry pouch with an instruction pamphlet. Stones are 15-20 mm in size ( 1/2” – 3/4”).