noun Etymology: German Date: 1794 a tetragonal mineral consisting of a silicate of ~ium and occurring usually in brown or grayish square prisms of adamantine luster or sometimes in transparent forms which are used as gems
ZIRCON
Meaning of ZIRCON in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012