Amethyst is formed inside an Amethyst Geode. The Geode is formed by trapped gases in magma during a volcanic eruption. Amethyst is the most highly valued stone in the quartz group. It can take over 75 million years to form. The purple color is caused by ferric iron.

Sold in packs of 6. Approximate size is 3" to 5".

Total quantity must be a multiple of 6.