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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
Reserve from the case
Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
and pendants
5cm Approximate Weight for 1 piece: 255g
Era: Early Pennsylvanian
Geological Age: 23–3
Moh's Hardness Scale - Education Set phobias and pendantsDescription: These Moh's hardness scales contain the 9 primary minerals of the Mohs hardness scale (excluding diamond) mounted on an identification plaque. A Mohs Hardness Scale sample kit is a collection of reference minerals with known hardness values, typically ranging from 1 (the softest) to 10 (the hardest), used to test and compare the hardness of unknown materials. Users can scratch the materials with one another to determine the relative
US$ 35.00
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US$ 600.00
US$ 28.00
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US$ 250.00
US$ 24.99
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