Piezoelectric Flash Rocks
$6.00
Rub these rocks together and watch them glow internally. Flash rocks-aka quartz-are one of the few minerals with niezoelectric properties. So, when subjected to mechanical stress, these two Little Rock’s generate an electrical charge
Rub these rocks together and watch them glow internally. Flash rocks-aka quartz-are one of the few minerals with niezoelectric properties. So, when subjected to mechanical stress, these two Little Rock’s generate an electrical charge
Rub these rocks together and watch them glow internally. Flash rocks-aka quartz-are one of the few minerals with niezoelectric properties. So, when subjected to mechanical stress, these two Little Rock’s generate an electrical charge