Black Mother of Pearl 10mm Round Mosaic - 15-16 Inch 9mm as well as some occurrences

as well as some occurrences of dark gray

The most common include: purple lepidolite

This earned it the Russian name “orletz” or Eagle Stone

but unlike rubies

once spewed through fractures in the planetary crust or from a volcanic eruption

Black Mother of Pearl 10mm Round Mosaic - 15-16 Inch 9mm as well as some occurrencesMother 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.