A groundbreaking scale that redefines gemstone durability by combining hardness, fracture toughness, and inclusions into a comprehensive framework for the gem and jewelry trade. BURLINGTON, Vt., Oct.

If you’re curious about tourmaline, we’ve got you covered! Tourmaline is a stunning gemstone known for its beautiful colors and unique qualities. In this article, we’ll talk about the tourmaline ...

The hardness scale was created by trying to scratch one mineral with another. It was then recorded which mineral left a scratch. For example, Corundum, (Ruby and Sapphire) was used to scratch Apatite.

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 ...

The deep Blue Sapphire or Neelam gemstone, as it is popularly known, comprises of Aluminium Oxide (Al2O3). While the Diamond is considered to be the hardest amongst all gemstones, the Blue Sapphire or ...