What is the hardness of Jasper?

6.5 – 7 Click to see full answer In this manner, how hard is Jasper on the Mohs scale? Gemstone Family Classification Gemstone Name Specific Gravity Mohs Hardness Jasper 2.65 7.0 Mohs 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 Furthermore, what’s the hardest gemstone? Well the top three hardest are Diamond, Sapphire and Ruby, and an easy way to remember is: red-white & blue stones! The hardness of a gemstone is measured on its place on Mohs scale of hardness. 10 on Mohs scale being the hardest known naturally occurring substance– and the honor goes to the diamond. Beside above, what is the hardness of Beryl? 7.5 – 8 Is Jasper sedimentary igneous or metamorphic?Jasper is a cryptocrystalline variety of the mineral Quartz (SiO2). There are many named varieties of jasper. Quartz is the most abundant single mineral on earth. It makes up about 12% of the earth’s crust, occurring in a wide variety of igneous, metamorphic and sedimentary rocks.