Besides quartz, one other substances that show the piezoelectric impact are Rochelle salt and tourmaline. Rochelle salt exhibits the best piezoelectric result, but its programs are restricted to manufacture of microphones, headsets and loudspeakers. It can be since the Rochelle salt is mechanically the weakest and strongly affected by humidity https://crystaloscillator84950.mybloglicious.com/55134532/the-timing-components-for-consumer-electronics-diaries