
The Boreal Museum
Shop Flash Rock
Flash Rock
$10.00 CAD
Knock these rocks together for an electrical effect. Flash rocks are one of the few minerals with piezoelectric properties. So, when subjected to mechanical stress, these two little rocks generate an electrical charge and glow.

Knock these rocks together for an electrical effect. Flash rocks are one of the few minerals with piezoelectric properties. So, when subjected to mechanical stress, these two little rocks generate an electrical charge and glow.
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