Happy Birthday Friedrich Mohs!

Today is German Geologist Friedrich Mohs’ 242nd Birthday! He developed the Mohs Hardness Scale for minerals during this career. Still today, we use mineral hardness as a clue to the identity of a sample.  Click here to learn more about the Mohs Hardness Scale for minerals and how it is important to geologists today.

In celebration of Mr. Mohs’ birthday, all of our mineral kits and select samples from the Mohs Hardness Scale are 20% today through Sunday! Click here to shop our Mohs Birthday Sale!

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