Knife Scale

what does it mean if topaz is rated 8 and a steel knife is rated 6.5 on Moh’s scale?
i need help
It reflects the hardness of the two substances using diamond as the hardest known substance and talc as the softest, so the knife is not as hard as a topaz.
Benchmade LFK knife: Major League Size
You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.
Comments are closed.