Orange kyanite, ochokera ku Tanzania

Orange kyanite Tanzania

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Kufotokozera Project

Orange kyanite, ochokera ku Tanzania

kanema

Kyanite ndi amangoona buluu silicate mchere, ambiri amene pegmatites zotayidwa kulemera metamorphic ndi / kapena nyanja thanthwe. Kyanite m'matanthwe metamorphic zambiri limasonyeza mavuto kuposa kilobars anayi. Ngakhale zingakhale khola pa kuchepetsa vuto la kuthamanga ndi kutentha otsika, ntchito ya madzi ndi zambiri mkulu zokwanira m'mikhalidwe yoteroyo kuti m'malo mwa aluminosilicates hydrous monga muscovite, pyrophyllite, kapena kaolinite. Kyanite imatchedwanso disthene, rhaeticite ndi cyanite.

Kyanite ndi membala wa mndandanda aluminosilicate, amenenso zikuphatikizapo polymorph andalusite ndi polymorph sillimanite. Kyanite kwambiri anisotropic, kuti kuuma ake imasiyana malingana malangizo ake crystallographic. Mu kyanite, anisotropism izi zikhoza kuonedwa ndi khalidwe akudzizindikiritsa.

Pa kutentha pamwamba 1100 ° C kyanite amaola mu mullite ndi silika vitreous kudzera anachita izi: 3 (Al2O3 · SiO2) → 3Al2O3 · 2SiO2 + SiO2. kusinthika Izi zimachititsa kukula ndi.

Dzinali amachokera ku chiyambi mofanana mtundu cyan, lotengedwa kuchokera Ancient Greek mawu κύανος. Izi zambiri limasuliridwe English monga kyanos kapena kuanos ndipo limatanthauza 'mdima buluu ".

Kyanite yayigwiritsidwa ntchito ngati miyala yamtengo wapatali, yomwe ingasonyeze kuyang'ana kwa maso a khungu, ngakhale kugwiritsa ntchito uku kuli kocheperako ndi chidziwitso chake ndi chisokonezo changwiro. Mitundu ya mitunduyi ikuphatikizapo posachedwapa anapeza mtundu wa orange kyanite wochokera ku Tanzania. Mtundu wa lalanje ukuyenera kuti ukhale ndi manganese (Mn3 +) ang'onoang'ono.

Chizindikiro

Mitengo ya Kyanite, yomwe imakhala yowonjezera, nthawi zambiri imakhala chizindikiro choyambirira cha mchere, komanso mtundu wake (pamene chithunzichi chili buluu). Mchere wothandizana nawo umathandizanso, makamaka kukhalapo kwa ma polymorphs a staurolite, omwe amapezeka nthawi zambiri ndi kyanite. Komabe, chidziwitso chofunikira kwambiri pozindikiritsa kyanite ndi chidziwitso chake. Ngati wina akudandaula kuti kyanite ndi kyanite, kutsimikizira kuti ili ndi zovuta zosiyana kwambiri pazitsulo zofunikira, ndizovuta kwa 5.5 kufanana ndi {001} ndi 7 kufanana ndi {100}

Orange kyanite, ochokera ku Tanzania

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