Mother Of Pearl 12mm Black Donut - 15-16 Inch Green from light blue to lapis

from light blue to lapis blue to cobalt

Coral is the skeletons of once to living sea coral

those substances add a delicate accent to the otherwise clear gemstone

Quartz has been highly valued by virtually every civilization throughout history

Delicate veining

Mother Of Pearl 12mm Black Donut - 15-16 Inch Green from light blue to lapisMother 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.