Bible Dictionaries
Adamant

American Tract Society Bible Dictionary

A name anciently used for the diamond, the hardest of all minerals. It is used for cutting or writing upon glass and other hard substances, Jeremiah 17:1 . It is also employed figuratively, Ezekiel 3:9; Zechariah 7:12 . Others supposed the smiris, or emery, to be meant.

Bibliography Information
Rand, W. W. Entry for 'Adamant'. American Tract Society Bible Dictionary. https://www.studylight.org/​dictionaries/​eng/​ats/​a/adamant.html. 1859.