Agate Grey South African Shape 20-30mm Med tumble is available to buy in increments of 1
Agate is a very fine grained form of Quartz. It grows within volcanic lava bubbles known as "geodes". Diamond saws are used to slice the Agate, it is then ground to remove any imperfections then polished and dyed to enhance and display the beautiful natural banding within. Most Agate comes from Brazil.