tourmaline उदाहरण वाक्य

The medium is usually a piezoelectric crystal such as quartz, tourmaline, or Rochelle salt.
If you had sand in your hair it shouldn't scratch a tourmaline coated surface.
:: : Tourmaline has a strong Pyroelectric effect and gives a charge separation when heated.
Tourmaline and garnet are also recorded.
A half mile out, the color is more of a tourmaline, a blue-green.

And he persuaded them to buy stones like aquamarines, tourmalines, garnets, opals and zircons.
Zambia is rich in both red and yellow tourmaline, which are relatively inexpensive in that country.
The Somerville Collection also consists of one of the largest collections of tourmaline in the Southern Hemisphere.
It occurs associated with cassiterite, arsenopyrite, molybdenite, tourmaline, topaz, rhodochrosite and fluorite.
China's Dowager Empress Cixi of Qing Dynasty highly prized the pink tourmaline mined in Pala.