Tourmaline ni izina rusange ry'imyunyu ngugu ya tourmaline. Imiterere yayo y'ibinyabutabire iragoye cyane. Ni imyunyu ngugu ya silicate irangwa na boron irimo aluminiyumu, sodiyumu, icyuma, manyeziyumu na lithiyumu. [1] Ubunini bwa tourmaline busanzwe ni 7-7.5, kandi ubucucike bwayo butandukanye gato bitewe n'ubwoko butandukanye. Reba imbonerahamwe iri hepfo kugira ngo umenye ibisobanuro birambuye. Tourmaline izwi kandi nka tourmaline, tourmaline, nibindi.

Tourmaline ifite imiterere yihariye nka piezoelectricity, pyroelectricity, imirasire ya infrared irekuye kure ndetse no kurekura ioni mbi. Ishobora guhuzwa n'ibindi bikoresho hakoreshejwe uburyo bwa fiziki cyangwa shimi kugira ngo hakorwe ibikoresho bitandukanye bikora, bikoreshwa mu kurengera ibidukikije, ibikoresho by'ikoranabuhanga, ubuvuzi, inganda z'imiti, inganda z'urumuri, ibikoresho by'ubwubatsi n'ibindi.

Tourmaline iteye nabi
Kristale imwe cyangwa kristu ntoya icukurwa mu ruganda rw'ibirombe ihinduka ingano runaka ya tourmaline nini.