What would you except to happen if you rubbed a mineral of hardness 7.5 against a piece of quartz

Question

asked Jul 8, 2019 17.2k views

1 Answer

Danicco · Answer 1 · 2019-07-11T19:17:11+0000

Quartz also has a hardness level of 7.5, so rubbing another mineral with a 7.5 hardness on it will not effect the quartz.