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Tourmaline powder
Tourmaline powder ndiyo hupfu hunowanikwa kuburikidza nemagetsi kupwanya iyo yepakutanga tourmaline ore mushure mekubvisa tsvina.Iyo yakagadziriswa uye yakacheneswa tourmaline poda ine yakakwirira anion chizvarwa uye kure infrared emissivity.Tourmaline inonziwo Tourmaline.Tourmaline general chemical formula is NaR3Al6Si6O18BO33 (OH, F.).4, iyo crystal ndeye trigonal system mhuri ye cyclic chimiro silicate zvicherwa kazhinji.Mune fomula, R inomiririra simbi cation.Kana R iri Fe2 +, inoumba dema crystal tourmaline.Tourmaline makristasi ari muchimiro chemakoramu angangoita matatu, ane akasiyana makristasi maumbirwo kumativi ese ari maviri.Makoramu ane mitsetse yakareba, kazhinji iri muchimiro chemikoramu, tsono, radials, uye hombe aggregates.Girazi gloss, rakatyoka resin gloss, translucent to transparent.Hapana cleavage.Mohs kuoma 7-7.5, chaiyo giravhiti 2.98-3.20.Kune piezoelectricity uye pyroelectricity.
