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Moh's Hardness Scale |
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Code: EDU-MOHSS
Price:$5.95
Shipping Weight: 4.00 ounces
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Hardness, the resistance which the smooth surface of a
mineral has to being scratched, is an important
determining factor in mineral identification. The Moh's
Hardness Scale, which was developed over a century ago,
is set up so that any mineral can scratch all those
beneath it in the scale, or can be scratched by those
above it in the scale. The scale ranges from 1 (softest)
to 10 (hardest). For example, calcite has a Moh's
hardness of 3 and can thus scratch gypsum (hardness of 2)
and talc (hardness of 1). Our Moh's Hardness Scale
includes 9 minerals mounted on a card matched to their
corresponding Moh's hardness. Diamond, which has a Moh's
hardness of 10, is not included. Be sure to check out our
selection of Rocks & Minerals,
so you can start testing soon. Scroll down to view
Related Products.
*See our Discount
for Teachers. Have your order shipped to your school
and you'll get 20% off this item!
LEARN MORE About Rocks and Minerals. |
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