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 ...

QUESTION: What makes rocks hard? ANSWER: When you go out for a walk and look at the stones around you, you will see that there are big stones, small stones and tiny ones. All these stones are pieces ...

Confused about real versus fake gemstones? Experts reveal reliable methods to verify authenticity. Visual inspection for inclusions and growth patterns, hardness tests using the Mohs scale, and ...

According to Apple, the iPhone 8 and 8 Plus have the most durable glass on a smartphone. During the scratch test, the iPhone 8’s screen developed deeper grooves on level 7 of Mohs Hardness Scale. This ...

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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 ...