Crazy lace agate is mined in the state of Chihuahua in Mexico. It's 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 stone are more prominent than they appear in our photos.