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Ifu ya Tourmaline
Ifu ya Tourmaline ni ifu yabonetse mugukubita imashini yambere ya turmaline nyuma yo gukuraho umwanda.Ifu yatunganijwe kandi isukuye ifu ya turmaline ifite ibisekuru byinshi bya anion hamwe na emissivite ya infragre.Tourmaline nayo yitwa Tourmaline.Amashanyarazi rusange ya Tourmaline ni NaR3Al6Si6O18BO33 (OH, F.).4, kristu ni iyumuryango wa trigonal sisitemu yimiterere ya cyclicale ya silike minerval muri rusange.Muri formula, R yerekana icyuma.Iyo R ari Fe2 +, ikora umukara wa kirisiti yumukara.Kirisiti ya Tourmaline iri mumiterere yinkingi ya mpandeshatu, hamwe nuburyo butandukanye bwa kirisiti kumpande zombi.Inkingi zifite imirongo miremire, akenshi muburyo bwinkingi, inshinge, imirasire, hamwe ninshi.Ibirahuri by'ibirahure, ibimenetse bya resin, bisobanutse neza.Nta clavage.Mohs gukomera 7-7.5, uburemere bwihariye 2.98-3.20.Hano hari piezoelectricity na pyroelectricity.
