Lowest mohs hardness for rings? Other decisive factors? : Colored .What I'm wondering is what is the least/lowest mohs hardness that YOU will accept when deciding which gems to mount into a ring? Also, there.mohs scale forum,Mohs scale of dungeon hardness - Game Discussion - Forum .All the best loosely-defined measurement scales are named after someone, like the Scoville scale of pepper hotness and the Schmidt sting pain index. Everyone.
mohs scale forum