Sapphire kristal otu bụ ihe nwere isi ike dị elu, nkwụsi ike kemịkalụ mara mma yana nghọta anya n'ogo ogologo ogologo ogologo. N'ihi uru ndị a, a na-ejikarị ya na ụlọ ọrụ dị iche iche gụnyere ahụike, injinia, ọkọnọ agha, ụgbọ elu, optics.
Maka uto nke otu sapphire kristal buru ibu, a na-ejikarị ụzọ Kyropoulos (Ky) na Czochralski (Cz) eme ihe. Usoro Cz bụ usoro uto kristal a na-ejikarị eme ihe nke a na-agbaze alumina n'ime mkpọ ma dọpụta mkpụrụ; A na-atụgharị mkpụrụ ahụ n'otu oge mgbe ọ kpọtụrụ elu igwe gbazere, a na-ejikwa usoro Ky eme ihe maka otu kristal uto nke nnukwu sapphire dayameta. Ọ bụ ezie na ọkụ ọkụ ya bụ isi dị ka usoro Cz, kristal mkpụrụ anaghị atụgharị mgbe ọ kpọtụrụ alumina a wụrụ awụ, ma jiri nwayọọ nwayọọ na-ebelata okpomọkụ okpomọkụ iji mee ka otu kristal na-eto ala site na kristal mkpụrụ. Anyị nwere ike iji ngwaahịa na-eguzogide okpomọkụ dị elu na ọkụ sapphire, dị ka tungsten crucible, molybdenum crucible, tungsten na molybdenum okpomọkụ, tungsten kpo oku mmewere na ndị ọzọ pụrụ iche ụdị tungsten na molybdenum ngwaahịa.
