Jadeite is very hard; it will scratch glass or even metal. Nephrite, however, can be much softer, so performing a scratch test improperly may damage a genuine piece. ... If the scratch makes a white line, gently wipe it off (it might be metal residue from the scissors).

Is jade easy to scratch?

This test is one that many jade collector's swear by Authentic jade is very hard and tough and does not scratch easily. It is much harder than the metals used to create common objects. ... To perform the scratch test, take a metal object like a needle, a knife or a pair of scissors, and scratch the surface of the jade.

Is jadeite breakable?

Jadeite can break and it supposedly takes all your bad kharma/bad luck with it. If you care to believe that sort of thing. Several many millions do!