Mother of Pearl 6x13mm Black Bevel Edged Rectangle Bead - 15-16 Inch Size_9x16mm It forms over long periods

It forms over long periods as mineral-rich water moves through aluminous rock

These inclusions are chromite

or add to your favorite chain to make a sweet

Aquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades

followed by a mild heat treatment gives it the bright yellow color

Mother of Pearl 6x13mm Black Bevel Edged Rectangle Bead - 15-16 Inch Size_9x16mm It forms over long periodsMother 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.