Mother of Pearl 19mm White and Blue (Dyed) Puff Triangle - 15-16 Inch Blue-Green laced with bands or swirls

laced with bands or swirls of brighter blue

The stone's composition remains somewhat ambiguous

It is an aluminum borosilicate mixed with iron

sapphires get their various colors from trace elements

No two are exactly alike

Mother of Pearl 19mm White and Blue (Dyed) Puff Triangle - 15-16 Inch Blue-Green laced with bands or swirlsMother 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 as an inner shell layer, and forms around pieces of sand or other irritations within such a molluscs shell to create pearls. Mother of Pearl is white with an iridescent sheen.