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We have spotted CORUNDUM (8 Letters) a total of 1 times in our database. Below you may see the clues associated with CORUNDUM and also when and where was it last seen:

Definition

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.

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