with quartz being one of the main crystals they focused on. Piezoelectricity first proved its utility in World War I, with submarine warfare and the need for ultrasonic transducers for sonar.

In a paper published Monday in Nature Geoscience, geologists in Australia write that piezoelectricity is the secret to quartz ...

Deep beneath the Earth’s crust, a geological mystery has puzzled scientists for decades: how do large, pure gold nuggets form within veins of quartz? A new study led by geologists from Monash ...