Ruby
Ngwaahịa
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Natrual Ruby Loose Gems Baguette 1.5x3mm
Ruby [1] , nke pụtara corundum nke agba uhie, bụ ụdị corundum ma mejupụtara ya bụ aluminum oxide (AL 2O 3).Agba uhie na-abịa site na chromium (CR) , tumadi Cr2O3, ọdịnaya bụ n'ozuzu 0.1 ~ 3% , kasị elu bụ 4% .Nwere Fe, Ti na-acha anụnụ anụnụ kwuru Sapphire, na-abụghị chromium CR agba nke ndị ọzọ na agba nke corundum na mkpokọta mara dị ka Sapphire.
