Dict: strongs - adamant

Strongs:

H6856 @ צפּרן tsippôren tsip-po'-ren From H6852 (in the denominative sense (from H6833) of scratching); properly a {claw} that {is} (human) nail; also the point of a style (or {pen} tipped with adamant): - {nail} point.

H8068 @ שׁמיר shâmîyr shaw-meer' From H8104 in the original sense of pricking; a thorn; also (from its keenness for scratching) a {gem} probably the diamond: - adamant ({stone}) {brier} diamond.