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American Educational Products
Scale of Hardness Collection without Diamond
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Scale of Hardness Collection without Diamond
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Item#:  GE1073
Price:  US $12.00


Grades 6-12.

This collection is the traditional Mohs Scale which assigned a "hardness" to ten key minerals with talc #1 (the softest) and diamond #10 (the hardest). The first 9 minerals are included in this set. Nine specimens approximately 1" x 1 1/2", number-coded.


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Scale of Hardness Kit with Test Kit
US $15.97
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