Mother of Pearl 6x13mm Black Bevel Edged Rectangle Bead - 15-16 Inch Black Tiger Teeth which can be yellow

which can be yellow

Red Garnet and Crystal Quartz

each cavity is slightly larger (or smaller) than the other to give the user the ability to tighten the crimp properly

and turquoise is a leftover mineral from these practices

Brazilian Amazonite is an opaque blue-green to light green stone

Mother of Pearl 6x13mm Black Bevel Edged Rectangle Bead - 15-16 Inch Black Tiger Teeth which can be yellowMother 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.