Crazy lace agate (also called rodeo agate or rosetta stone) is primarily found in Mexico. This variety of banded chalcedony, is a mineral of the quartz family. It is predominantly white, with layers of creamy browns, blacks and grays. Some may include layers of yellow ochre, gold, scarlet and red.

As a healing stone it is considered the laughter stone that brings support and optimism. It is thought to bring warmth and encourage security and self confidence. Its graceful design, in random lacy patterns, creates a circular flow of energy, stimulating for the mind and attitude.