Mohs' scale

Mohs’ scale

A scale which rates the scratch hardness of a mineral on a scale of 1 (talc) to 10 (diamond).
References in periodicals archive ?
On these pages were pictures of minerals along Mohs' Scale of hardness from 'SOFT' to 'HARD' (i.
This is an error since hardness, especially in the context of Mohs' scale, refers specifically to mineral hardness.
After addressing the disagreement about the hardness of fluorite and quartz, Mrs Deshon presented a poster-sized chart on which the minerals and tools used in the hardness tests were ordered along Mohs' scale.