Ruby
Kayayyaki
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Natrual Ruby Loose Gems Baguette 1.5x3mm
Ruby [1], wanda ke nufin corundum na launin ja, nau'in corundum ne kuma ya ƙunshi farko na aluminum oxide (AL 2O 3).Launin ja ya fito ne daga chromium (CR) , galibi Cr2O3, abun ciki shine gabaɗaya 0.1 ~ 3%, mafi girma shine 4% .Wanda ya ƙunshi Fe, Ti da shuɗi ya ce Sapphire, launi mara-chromium CR na sauran launuka na corundum wanda kuma aka sani da Sapphire.
