corundum |
کرند ۔ ایک طرح کا مختلف رنگوں کا نیلم ۔ |
(1) - Corundum (n.) The earth alumina, as found native in a crystalline state, including sapphire, which is the fine blue variety; the oriental ruby, or red sapphire; the oriental amethyst, or purple sapphire; and adamantine spar, the hair-brown variety. It is the hardest substance found native, next to the diamond. |
