Diamond News
#FunFact: tourmalines become electrically charged when exposed to heat or pressure - phenomena called...
GIA#FunFact: tourmalines become electrically charged when exposed to heat or pressure - phenomena called ‘pyroelectricity,’ and ‘piezoelectricity’ respectively. Photo: Robert Weldon/GIA. Courtesy: Private Collector and Mona Lee Nensseth, Custom Estate Jewels