معجزہ! معدنیات کیسے بناتی ہیں بجلی؟ اللہ کی قدرت! #Shorts

The effect is called piezoelectric and pyroelectric behavior.

‎امان علی‎ on Instagram: "#Turmalin, also known as tourmaline, is a crystalline silicate mineral that comes in a wide variety of colors, making it one of the most colorful gemstones. Its name is derived from the Sinhalese word "tōramalli," which refers to the carnelian gemstones. This gemstone is found in many parts of the world, including Brazil, Africa, Asia, and the United States ¹.*Physical Properties:* - _Hardness_: 7-7.5 on the Mohs scale - _Crystal System_: Trigonal - _Density_: 2.9-3.1 g