GeoModules Hardness Sets

Number of Kits Available: 9

These sets contain one mineral each demonstrating hardnesses 1 through 9 of the Moh's Hardness Scale, as well as a penny, a nail, a glass plate, and a streak plate.

15 Hardness test packets are also available for loan. Each packet includes a penny, a nail, a glass plate, and a streak plate. No minerals are included.

Virginia Tech | Dept. of Geosciences | Geosciences Outreach

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