Topaz Gem Guide and Properties Chart

All about the color, cut and clarity of topaz | GemstoneGuru

The Jewel Creation on Instagram: "Diamonds, sapphires, and topaz rank between 8-10 on the Mohs hardness scale, which measures a gemstone's resistance to scratching. That means they're incredibly hard and can easily scratch softer stones like emeralds (7.5-8), opals (5.5-6.5), and pearls (2.5-4.5). When these gemstones rub against each other in storage, the harder ones will damage the softer ones—it's not a matter of if, but when.​ The Mohs scale isn't linear, so the difference between each numbe