Aside from quartz, another substances that exhibit the piezoelectric outcome are Rochelle salt and tourmaline. Rochelle salt reveals the greatest piezoelectric effect, but its purposes are limited to manufacture of microphones, headsets and loudspeakers. It's as the Rochelle salt is mechanically the weakest and strongly influenced by dampness and heat. https://crystaloscillator84949.blog2freedom.com/34975394/5-simple-techniques-for-consumer-electronics-crystal-oscillators