Min. [f. Gr. ξανθός yellow + -ITE1.] A variety of vesuvianite or idocrase, occurring in yellowish crystals.
1828. Thomson, Ann Lyc. N. Hist. N. Y., III. 44 (Dana).
1843. Penny Cycl., XXVII. 615/1. Xanthite consists of a congeries of small rounded grains,… not larger than small grains of sand.
1851. Mantell, Petrifactions, iv. § 1. 364.
