How hard is labradorite on the Mohs scale?

Gemstone Family Classification Gemstone Name Specific Gravity Mohs Hardness Labradorite 2.55 – 2.76 6.0 – 6.5 Mohs Lapis Lazuli 2.70 – 2.90 5.0 – 5.5 Mohs Malaia 3.50 – 4.30 6.5 – 7.5 Mohs Matura Diamond 4.60 – 4.70 7.5 Mohs Click to see full answer. Also asked, is labradorite soft or hard? Labradorite Durability Labradorite only ranks at 6 – 6.5 on the Mohs scale which is softer than quartz. This means that it can be scratched quite easily, even by dust (quartz is a major component of dust). However, labradorite is quite tough and durable, and is not brittle.Additionally, what is the hardest semi precious stone? Diamond is graded the hardest (10), followed by ruby and sapphire (9), topaz, emerald and spinel (8), and garnet, tourmaline and quartz (7). Gemstone Durability and Hardness. Diamond Hardnesss 10 Sapphire Hardness 9 Topaz Hardness 8 Garnet Hardness 7-7.5 Tourmaline Hardness 7-7.5 Amethyst Hardness 7 Beside this, how hard is tourmaline on the Mohs scale? Tourmaline ranks 7 to 7.5 on the Mohs scale. Its toughness is considered Fair. Tourmaline is generally stable to light and isn’t affected by exposure to chemicals, but heat can damage a tourmaline.How hard is turquoise on the Mohs scale? Hardness and toughness But the Mohs scale is deceptive. The steps between the minerals are not evenly spaced. For example, diamond is only one number away, but it’s many times harder than gems in the corundum family. Turquoise ranks 5 to 6 on the Mohs scale and its toughness is generally Fair to Good.