*Matched Set of Boji Stones or Kansas Pop Rocks*
Product Description
Eco-Friendly!
These are also called Kansas Pop Rocks, and are mainly iron pyrite and limonite. A somewhat fragile stone that is very sensitive to pH and should not be brought into contact with soil. The stone on the left measures approximately 22mm x 20mm x 16mm; the stone on the right measures approximately 24mm x 24mm x 13mm.