Mwala wamtengo wapatali wa safiro
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Sapphire wobiriwira wamtengo wapatali wa azitona wobiriwira 99.999% Al2O3 kupanga
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99.999% Al2O3 miyala yamtengo wapatali yamtengo wapatali ya safiro
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Ruby material Artificial corundum ya gem ornginal material Pinki wofiira
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Nkhunda yamagazi a ruby yopangidwa ndi Ti3+ Cr3+ pagalasi la wotchi yamtengo wapatali