Tourmaline bụ aha izugbe nke mineral otu tourmaline. Ihe mejupụtara kemịkalụ ya dị mgbagwoju anya. Ọ bụ mineral silicate nke e ji boron mee nke nwere aluminom, sodium, iron, magnesium na lithium mara. [1] Ike nke tourmaline na-abụkarị 7-7.5, njupụta ya dịkwa ntakịrị iche na ụdị dị iche iche. Lee tebụl dị n'okpuru maka nkọwa zuru ezu. A makwaara Tourmaline dị ka tourmaline, tourmaline, wdg.

Tourmaline nwere ihe pụrụ iche dịka piezoelectricity, pyroelectricity, far-infrared radieshon na ntọhapụ ion na-adịghị mma. Enwere ike iji ya na ihe ndị ọzọ mee ihe site na usoro anụ ahụ ma ọ bụ kemịkalụ iji mepụta ọtụtụ ihe bara uru, nke a na-eji na nchekwa gburugburu ebe obibi, eletrọnịkị, ọgwụ, ụlọ ọrụ kemịkalụ, ụlọ ọrụ ọkụ, ihe owuwu na mpaghara ndị ọzọ.

Tourmaline siri ike
Otu kristal ma ọ bụ obere kristal e si n'ebe a na-egwupụta ihe na-agbakọta ozugbo n'ime nnukwu tourmaline.