Scale of Hardness Collection
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Product Number: SB14255M Price: $15.00 |
PRODUCT DETAILS
This collection is the traditional Mohs’ scale, which assigned a “hardness” to 10 key minerals with talc No. 1 (the softest) and diamond No. 10 (the hardest). The first nine minerals are included in this set. The 1" specimens are numbered in a compartmentalized container.
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