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 ...

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 ...

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 ...

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 ...

Confused about real versus fake gemstones? Experts reveal reliable methods to verify authenticity. Visual inspection for ...

I can’t remember if we’re still mad at Consumer Reports for Antennagate but they seem to be doing a thorough job at testing the Apple Watch as evidenced in the video below. Notable from their Day 1 ...