Mother of Pearl, also known as Nacre, is an iridescent composite of organic and inorganic material most known for being the coating of pearls. It is produced by certain molluscs...
Mother of Pearl, also known as Nacre, is an iridescent composite of organic and inorganic material most known for being the coating of pearls. It is produced by certain molluscs...
Coral is the skeletons of once to living sea coral, composed of hard calcium carbonate, colored by carotenoids. The colors of coral are permanent and naturally occur in a range...