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 ...

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 ...