URuby
Imikhiqizo
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I-Natrual Ruby Loose Gems Baguette 1.5x3mm
I-Ruby [1], okusho ukuthi i-corundum yombala obomvu, iwuhlobo lwe-corundum futhi iqukethe ngokuyinhloko i-aluminium oxide (AL 2O 3) .Umbala obomvu uvela ku-chromium (CR) , ikakhulukazi i-Cr2O3, okuqukethwe ngokuvamile ngu-0.1 ~ 3% , okuphezulu kakhulu ngu-4%.Iqukethe u-Fe, u-Ti kanye noluhlaza okwesibhakabhaka uthe iSapphire, umbala we-CR ongewona we-chromium weminye imibala ye-corundum eyaziwa nangokuthi iSapphire.
