Mother of Pearl Bracelet IV (3mm) June 8 Blue aventurine registers 7 on

Blue aventurine registers 7 on the Mohs hardness scale

The smoke is the ironstone showing through the opal

This bold color interplay has a very modern feel

and muted gray stones

Mother of Pearl Bracelet IV (3mm) June 8 Blue aventurine registers 7 onMother of pearl is not a stone. It is armor, built by a living creature one layer at a time. Product Highlights: The Stone: This is nacre, the iridescent lining found inside mollusk shells like oysters and abalone. Its surface naturally shifts between white, silver, pink, and green because microscopic layers bend light exactly like a prism. History: Humans have used it for over 6,000 years. Ancient Egyptians and Mesopotamians inlaid it into royal