Bible Dictionaries
Zircon

Webster's Dictionary

(n.) A mineral occurring in tetragonal crystals, usually of a brown or gray color. It consists of silica and zirconia. A red variety, used as a gem, is called hyacinth. Colorless, pale-yellow or smoky-brown varieties from Ceylon are called jargon.

Bibliography Information
Webster, Noah. Entry for 'Zircon'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​z/zircon.html. 1828.