Mon 16 Oct, 2017 08:35 pm
Aside from jewelry; are there any practical, industrial uses for rubellite?
A distinctive physical property of all tourmalines is pyroelectricity. Through warming or rubbing the crystal, an electric charge is produced, one end positive and the other negative. They also exhibit piezoelectric properties so that they have important application as a frequency stabilizer.
Thanks #dalehileman; appreciate the response.
Not atall DdK. Incidentally, I'm wondering whether you might've tried Googling