Tourmaline ndi dzina lathunthu la mchere wa gulu la tourmaline. Kapangidwe kake ka mankhwala ndi kovuta. Ndi mchere wa silicate womwe umadziwika ndi boron wokhala ndi aluminiyamu, sodium, iron, magnesium ndi lithiamu. [1] Kuuma kwa tourmaline nthawi zambiri kumakhala 7-7.5, ndipo kuchuluka kwake kumakhala kosiyana pang'ono ndi mitundu yosiyanasiyana. Onani tebulo pansipa kuti mudziwe zambiri. Tourmaline imadziwikanso kuti tourmaline, tourmaline, ndi zina zotero.

Tourmaline ili ndi zinthu zapadera monga piezoelectricity, pyroelectricity, radiation ya infrared ndi negative ion release. Ikhoza kuwonjezeredwa ndi zinthu zina pogwiritsa ntchito njira zakuthupi kapena zamakemikolo kuti ipange zinthu zosiyanasiyana zogwirira ntchito, zomwe zimagwiritsidwa ntchito poteteza chilengedwe, zamagetsi, mankhwala, makampani opanga mankhwala, makampani opanga kuwala, zipangizo zomangira ndi zina.

Tourmaline yovuta
Krustalo imodzi kapena yaying'ono yomwe imakumbidwa mwachindunji kuchokera ku ma agglomerate a mgodi imasandulika kuchuluka kwa tourmaline yayikulu.