Tourmaline bụ aha izugbe nke mineral otu tourmaline.Ngwakọta kemịkal ya dị mgbagwoju anya.Ọ bụ ihe eji arụ ọrụ mgbanaka silicate nke nwere boron nwere aluminom, sodium, iron, magnesium na lithium.[1] Isi ike nke tourmaline na-abụkarị 7-7.5, na njupụta ya dịtụ iche na ụdị dị iche iche.Lee okpokoro n'okpuru maka nkọwa.A na-akpọkwa Tourmaline dị ka tourmaline, tourmaline, wdg.

Tourmaline nwere ihe pụrụ iche dị ka piezoelectricity, pyroelectricity, radieshon infrared dị anya na ntọhapụ ion na-adịghị mma.Enwere ike ijikọta ya na ihe ndị ọzọ site na usoro anụ ahụ ma ọ bụ kemịkalụ iji mepụta ihe dị iche iche na-arụ ọrụ, nke a na-eji na nchekwa gburugburu ebe obibi, ngwá electronic, ọgwụ, ụlọ ọrụ kemịkalụ, ụlọ ọrụ ọkụ, ihe ụlọ na ubi ndị ọzọ.

Tourmaline siri ike
Otu kristal ma ọ bụ obere kristal a na-egwupụta ozugbo site na ogbunigwe agglomerates n'ime otu olu nke oke tourmaline.