Moonstone is a luminous feldspar gemstone famous for its soft glowing sheen, known as adularescence. This floating light effect can appear blue, white, silver, or rainbow-like and seems to move across the stone as it is turned.
What Is Adularescence?
Moonstone's signature glow is caused by:
Microscopic layers of feldspar within the stone
Light scattering between these layers
A floating, moonlit appearance that shifts with movement
This optical phenomenon is called adularescence.
In crystal traditions, moonstone is often associated with:
