Quartz - Flash Rocks

4-1-22-003

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Product Details

U.S.A.

Rub these natural piezoelectric rocks together to create a light-enhanced rock show. They willl glow internally and emit a distinctive odor! Quartz are one of the few minerals with piezoelectric proprieties. When subjected to mechanical stress, these two little rocks generate an electrical charge.

Place a rock in each hand, and forcefully rub the rocks together. To see the glowing electrical effect fully, you should do this in a darkened room. The distinctive odor given off by the friction.

Makes a clever addition to Easter baskets and stocking stuffer.

Stone size varies: 1-2 inches