The MOHs scale is a relative hardness scale used to determine a minerals hardness useful for identification. The harness is one of the most useful mineral properties when identifying minerals, so you’ll want a handy MOHs hardness scale and a mineral reference guide along in the field when you are trying to identify and collect minerals. Every rockhounder should understand the basics of the MOHs scale and how to use it. One important point is also that the MOHs scale is not absolute. Absolute hardness is another property of minerals but harder to use at whim in the field. The MOHS hardness scale is instead more like and index. For example, Quartz is a 7 hardness and Diamond is a 10 hardness on MOHs scale, but in reality Quartz is a much softer mineral than Diamond, much softer than might be perceived from the difference of 7 to 10. The jump in absolute hardness to a Diamond is much bigger.
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26 авг 2024