32 pieces per box. Calcite Glow Stone Box. Package dimensions: 8.5"L x 8.5"W x 3.5"H. Sphere dia: approx. 1.25"
Calcite, which gets its name from "chalix" the Greek word for lime, is a most amazing mineral. When exposed to light, these spectacular spheres will glow in the dark!! Calcite is also reactive to black light, which can give off a glow, even in a lighted room.