Apr 17, 2025 · The Mohs hardness scale measures a mineral's resistance to scratching. Find the traditional scale and a chart of select gems.

The Mohs scale (/ moʊz / ⓘ MOHZ) of mineral hardness is a qualitative ordinal scale, from 1 to 10, characterizing scratch resistance of minerals through the ability of harder material to …

What is Mohs Hardness Scale? The Mohs Hardness Scale is a set of ten reference minerals (numbered 1 through 10) that are used to determine the relative hardness of minerals and …

Apr 12, 2023 · A mineral's hardness is a measure of its relative resistance to scratching, measured by scratching the mineral against another substance of known hardness on the …

Nov 23, 2025 · Learn about mineral hardness and the Mohs scale. Discover how to test hardness, the ten standard minerals, and how hardness reveals Earth’s geological secrets.

How to conduct a hardness test on an unknown rock or mineral using Mohs Scale of hardness.

Mar 14, 2020 · The Mohs test helps tell how hard a rock is by using things with known hardness. You scratch the rock with objects like a penny or fingernail to see if it is hard. Compare your …

Jul 9, 2025 · What Is the Mohs Hardness Test? The Mohs Hardness Test is a scale that ranks the hardness of minerals based on their ability to withstand scratching. In simpler terms, it …

Mar 6, 2022 · The Mohs hardness scale is a qualitative test that measures the hardness of a mineral by its ability to visibly scratch softer minerals. The scale isn’t perfect, but it’s a great …

Mohs Hardness Test. This test compares the resistance of a mineral to being scratched by ten reference minerals known as the Mohs Hardness Scal. (see table below). The test is useful …