NACRE
Nacre also known as mother of pearl, is an organic-inorganic composite material produced by some molluscs as an inner shell layer; it also makes up the outer coating of pearls. It is strong, resilient, and iridescent.
Mother of Pearl has a calming effect when you wear it. It will reduce your stress and your feelings of aggressiveness. It will also give you clearer thoughts and facilitate better expression.
Physical: Reduces stress
Emotional: Encourage you to express your thoughts and emotions ardently and reflectively
Spiritual: Will guide you in discovering your hidden potentials
Chakras: Solar Plexus
Element: Fire
V for Vastu