Most crazy lace agate comes from the state of Chihuahua in Mexico.
The stone is believed to be between 65 and 142 million years old. It's found mostly in marine sedimentary rocks.
There are many different types of lace agate. Its wide range of colours and distinctive markings have led to it being widely used for decorative purposes.
The colours in this highly polished crazy lace agate gemstone are more prominent than they appear in our photos.
This cabochon has been mounted in a handcrafted sterling silver setting.