Tourmaline ndi dzina lambiri la mchere wamagulu a tourmaline.Mankhwala ake ndi ovuta.Ndi mphete ya silicate mineral yodziwika ndi boron yomwe ili ndi aluminium, sodium, iron, magnesium ndi lithiamu.[1] Kuuma kwa tourmaline nthawi zambiri kumakhala 7-7.5, ndipo kachulukidwe kake ndi kosiyana pang'ono ndi mitundu yosiyanasiyana.Onani tebulo ili m'munsimu kuti mudziwe zambiri.Tourmaline imadziwikanso kuti tourmaline, tourmaline, etc.

Tourmaline ili ndi zinthu zapadera monga piezoelectricity, pyroelectricity, ma radiation akutali komanso kutulutsidwa kwa ion.Zitha kuphatikizidwa ndi zida zina ndi njira zakuthupi kapena zamankhwala kuti apange zinthu zosiyanasiyana zogwirira ntchito, zomwe zimagwiritsidwa ntchito poteteza chilengedwe, zamagetsi, zamankhwala, makampani opanga mankhwala, mafakitale opepuka, zomangira ndi zina.

Tourmaline zovuta
Krustalo limodzi kapena kristalo yaying'ono yomwe imakumbidwa mwachindunji kuchokera ku mgodiyo imaphatikizana mumtundu wina wa tourmaline wamkulu.