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 …

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

Mohs hardness, rough measure of the resistance of a smooth surface to scratching or abrasion, expressed in terms of a scale devised (1812) by the German mineralogist Friedrich Mohs.

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 …

Oct 28, 2024 · 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.

May 20, 2025 · What Is the Mohs Hardness Scale? The Mohs Hardness Scale is a qualitative ordinal scale developed in 1812 by German mineralogist Friedrich Mohs to measure a …

In 1812 (or possibly 1822), the Mohs scale of mineral hardness was devised by the German mineralogist Friederich Mohs (1773-1839), who selected the ten minerals because they were …

Aug 26, 2025 · What Is the Mohs Scale? The Mohs scale is a system that classifies minerals according to their hardness. It's an ordinal scale, meaning it measures relative rather than …

Mar 6, 2022 · Minerals are chemically pure solids that occur in nature. The Mohs scale ranks minerals on a scale from 1 to 10, in which 1 is the softest mineral and 10 is the hardest …