Crazy lace agate is commonly referred to as the "laughter stone," or "happy lace." It's a balancing and protecting stone, believed to ward off the "evil eye," bringing joy and absorbing emotional pain. ... This stone's help with focusing makes it a great stone for those with ADHD.
Crazy lace agate (also known as Mexican Agate) is young in comparison to many other minerals on Earth. There is evidence this agate was worn as an amulet by the earliest inhabitants of Mexico for endurance and courage in battle.