Min. [a. Da. urdit (1855), f. the local Norwegian place-name Urd-a (= ‘the scree’): see -ITE1 2 b.] = MONAZITE.
1868. Watts’ Dict. Chem., V. 949. Urdite, a mineral of unknown composition, occurring in the orthoclase of Notteröe in Norway.
1903. Athenæum, 16 May, 609/2. The rare element scandium … only occurs terrestrially in a few uncommon minerals, such as urdite.
