Vivianite forms on the outside of caskets due to a chemical reaction between iron, water, and the body's phosphates during decomposition, earning it the nickname "corpse crystal."
 
You will receive both pieces pictured. All of our crystals, minerals, and specimens are 100% authentic and mined from the earth. For additional questions, send us a message on our contact page, or by e-mailing info@prettygoodsstuff.com.