ABALONE SHELL
Abalone shell is a sea mollusk variety, as good as sea snails. They are made up of calcium carbonate and bricklayers of protein making the gemstone more durable. There are varieties of abalone stones resulting from the changes in seaweed diet to grow abalone mollusks. Abalone stones occur in cold coastal waters and are vibrant shells in many hues from turquoise to shades of green, blue, pink, purple, and gold.