Sapfir (qad. yahudiycha sappir \u2014 ko’k tosh) \u2014 korundning A12O3 tarkibli shaffof, tiniq ko’k rangli xili. Zargar- likda boshqa rangli turlariga (qizil turi \u2014 yoqutdan tashqarisi) S. deb nom berilgan. Rangi izomorfli aralash- malarga bog’liq: alyuminiyning turli miqdorda titan va temir (G’e2+ va G’e3+ farq qiladi) almashuvidan hosil bo’ladi. Trigonal singoniyada kristallanadi. 1toifali qimmatbaho tosh hisoblanadi. Shishasimon yaltiroq. Qattiqligi 9; zichligi 3,5\u20143,6 g\/sm3. Konlari Shri- Lanka, Hindiston, Tailand, Rossiyada bor. Tarixda mashhur bo’lgan S. tosh- lari Britaniya imperiyasining tojida (104 karat), oval shaklli (258,8 karat) brilliant broshkada o’rnatilgani Ros- siya olmos fondisya saqlanmoqda. S. sanoatda sun’iy yo’l b-n ham olinadi. S.ning Zumrad, topaz, safsar (ametist) va b. xillari zargarlikda, sun’iy rang- sizi \u2014 leykosapfir mikroelektronika, kvant elektronikasi, optika va b.da ish- latiladi (q. Korund). O’zbekistonda «ko- rund mintaqasi» Tomdi tog’laridan olay tog’larigacha 1000 km ga cho’zilgan bo’lsa ham sifatli S. hanuz topilmagan.<\/p>\n","protected":false},"excerpt":{"rendered":"
Sapfir (qad. yahudiycha sappir \u2014 ko’k tosh) \u2014 korundning A12O3 tarkibli shaffof, tiniq ko’k rangli xili. Zargar- likda boshqa rangli turlariga (qizil turi \u2014 yoqutdan tashqarisi) S. deb nom berilgan. … Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":99837,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[206],"tags":[],"class_list":["post-126399","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-s-harfi","entry"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"ru","enabled_languages":["uz","kr","ru"],"languages":{"uz":{"title":true,"content":true,"excerpt":false},"kr":{"title":false,"content":false,"excerpt":false},"ru":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/126399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/comments?post=126399"}],"version-history":[{"count":1,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/126399\/revisions"}],"predecessor-version":[{"id":126407,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/126399\/revisions\/126407"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/media\/99837"}],"wp:attachment":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/media?parent=126399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/categories?post=126399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/tags?post=126399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}