Geologists do it according to the Mohs Scale of Hardness. There. That’s your “hardness” joke for the post. Now down to business, with the hardest (and softest) scale there is. In 1812, people had just ...

The Mohs hardness scale is a relative scale usually used for minerals and does not involve any measurement of deformation, as do other quantitative methods. It simply involves the assignment of a ...

Mineral Monday is a weekly video series exploring the many amazing minerals, fossils, and historic objects on display at the W.M. Keck Earth Science and Mineral Engineering Museum as told by museum ...

Have you ever wondered what the hardness of tanzanite is? But before that, let’s understand what a Tanzanite is. It’s a pretty blue-violet gem that belongs to the mineral group. Think about strolling ...

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