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.

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 ...

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 ...