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Mohs Hardness Scale
Test Kit
Learn how important and reliable the property of hardness is to mineral identification!
 Moh’s Hardness Scale was developed nearly 200 years ago by Friedrich Mohs and is used to classify minerals by hardness on a scale of 1 to 10. With the
materials included, your students will have everything they need to determine
and study the hardness of minerals. Featured are card-mounted mineral
specimens representing hardness for scales 1 through 9 that can be used as
reference when testing unknown samples. Also included are additional activities
that allow your class to test for other key mineral properties.
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