After removing the included plastic screen protector, the Mohs scale of hardness shows the screen scratching at level 6 with deeper grooves at level 7.

So it's time to buy some new wheels. What hardness should you get? What do the durometer numbers mean? What's a durometer anyway? Don't worry, we got you.

HydroGraph ramps up efforts to scale pristine graphene offerings Purchase orders for autocomposite improvement program, patent application filings and additional certifications push the graphene ...

MOHS Hardness Scale For Gemstones Gem Rock, MOHS Hardness Scale For Gemstones The MOHS Hardness Scale starts with talc at 1 being the softest mineral and ending with diamond at 10 being the hardest ...

Zirconium silie, (ZrSiO4) is a chemical compound,a silie of zirconium.It occurs in nature as the zircon,a silie mineral.Zirconium silie is usually colorless,but impurities induce various ...

Tanzanite is a great blue-stone option due to its range of colors, from peacock-greenish-blue to bicolors and blue-violets. It’s also available in purple and pink. It’s a 6 to 7 on the Mohs hardness ...

Hardness and Durability: Cubic zirconia has a Mohs hardness rating of 8, which places it slightly tougher than most other gemstones. However, compared to a diamond, which scores a 10 on the same scale ...