corumt

An obsolete spelling of quorum. cor undo phi lite (kō-run-dof'i-lit), n. corundum, q. v., + Gr. φίλος, loving, + -ite2.] A species of chlorite occurring with corundum at Chester in Ma achusetts. corundum (kō-rundum), n. [NL.; formerly also corindon; onal pyramids, and also occurs ma ive and granular. In hardne it is next to the diamond. Its specific gravity is about 4. In color it is blue, red, yellow, brown-gray, and white. The transparent varieties are prized as gems, the blue being the sapphire, the violet the Oriental amethyst, the red the ruby, and the yellow the Oriental topaz, Common corundum includes the opaque varieties and those of a dull, dark color. When pulverized it is used for grinding and polishing other gems, steel, etc. Emery is granular corundum, more or le impure, generally containing magnetic iron. The best sapphires, rubies, etc., come from Burma, India, China, and Ceylon; common corundum, from China, the Urals, New Jersey, Pennsylvania, and North and South Carolina; emery, from Asia Minor, the islands of Naxos and Samos near Ephesus in Asia Minor, and also from Chester in Ma achusetts, Also called ada mantine spar, diamond - spar.