Kryptonite is incredibly rare anywhere outside Smallville, which is Superman's home town, or Metropolis, where Superman typically fights crime.
Our kryptonite was found in a mining expedition in Africa.
These kryptonite fragments are 1 to 2 inches in length or larger.
Green kryptonite is the most common of the various different colors of kryptonite.
Kryptonite is your only defense against kryptonians.
It is poison, and deadly toxic to anyone from the planet Krypton.
Kryptonite has been known to cause freakish mutations, and sometimes give superpowers to human beings.
The lead case pictured here is included.
Lead will block any harmful effects of kryptonite.
Kryptonite Size: 1 - 2 inches (2.54 cm to 5 cm)
Lead Case: 3.75 inches x 2 inches x 3/4 inch (9.525 cm x 5.08 cm x 1.9 cm)