Mother of Pearl 10mm Puff Star Black - 15-16 Inch 2.5mm A variety of Andalusite

A variety of Andalusite

Green Apatite is a transparent to translucent stone that may be green

light gray or black

It is often thought of as an all to black stone

It won 1st price and has been used ever since in sculpture

Mother of Pearl 10mm Puff Star Black - 15-16 Inch 2.5mm A variety of AndalusiteMother 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.