紅寶石
是剛玉的一種,主要成分是氧化鋁(Al2O3),紅色來自鉻(Cr)。
自然沒有鉻的寶石是藍色的藍寶石。
天然紅寶石大多來自亞洲(緬甸、泰國和斯里蘭卡)、非洲和澳大利亞,美國蒙大拿州和南卡羅萊那州也有部分生產。
天然紅寶石非常少見且珍貴,但是人造並非太難,所以工業用紅寶石都是人造的。
Ruby
Is a kind of corundum, the main component is alumina (Al2O3), red from chromium (Cr).
There will be no chrome blue sapphire gemstone.
Natural ruby, mostly from Asia (Burma, Thailand and Sri Lanka), Africa and Australia, Montana and South Carolina are also part of the production.
Natural ruby is very rare and valuable, but the man is not too difficult, so the industry is artificial ruby.