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Mohs Hardness Scale: Testing the Resistance to Being Scratched

One of the most important tests for identifying mineral specimens is the Mohs Hardness Test. This test compares the resistance of a mineral to being scratched by ten reference minerals known as the Mohs Hardness Scale (see table at left). The test is useful because most specimens of a given mineral are very close to the same hardness.


Mineral Hardness Testing from Rockman

Determining the hardness of an unknown rock or mineral is often very useful in the identification process. Hardness is a measure of a mineral's resistance to abrasion and is measured against a standard scale - Mohs Scale of Hardness. Mohs Scale was named after Frederick Mohs (1773-1839), a German minerologist. It consists of 10 fairly common minerals (except for the diamond) of known hardness .


Mohs scale of mineral hardness - Wikipedia

The scale is used at electronic manufacturers for testing the resilience of flat panel display components (such as cover for LCDs or encapsulation for OLEDs). Minerals. The Mohs scale of mineral hardness is based on the ability of one natural sample of mineral to scratch another mineral visibly.


Mohs Hardness Scale - Definition, Chart, Details & Quiz .

Dec 06, 2018 · How to Perform a Mohs Hardness Test. To perform a Mohs hardness test on a mineral specimen, a Mohs hardness testing kit is required. Often, this is a tray containing the 9 index minerals, eled 1-9 and laid out in order of hardness (diamonds are

Author: S.T. Squad

Hardness: Mineral Properties - The Mineral and Gemstone .