Abalone Shell 15mm Flat Coin - 15-16 Inch feature_07272023_q1 Lapis was ground and processed

Lapis was ground and processed to make the pigment ultramarine for use in frescoes and oil painting

but it is not true

Pink Crazy Lace Agate is actually Crazy Lace Agate that has been color enhanced with pink to bring out the beautiful swirling and circular concentric patterns in the stone

and other colorful materials

Prehnite is translucent to transparent

Abalone Shell 15mm Flat Coin - 15-16 Inch feature_07272023_q1 Lapis was ground and processedAbalone Shell is strong and is made of stacked calcium carbonate tiles. When the abalone shell is struck, the tiles slide instead of shattering absorbing the energy of the blow. The inner layer of the shell is composed of nacre (mother of pearl), which in many species is highly iridescent, which make the shells attractive as decorative objects, jewelry, and as a source of colorful mother of pearl.