mohs hardness for basalt rock - zvchattrick Diorite- Is a igneous rock that's black and white Intrusive Felsic, The hardness of Basalt is a 6 on the Mohs scale 50 percent of Basalt is silica. Get More Info; basalt mohs hardness scale - propertiesindwarkacoin. Bead, lava rock (waxed), 8mm round with 0.5-1.5mm hole, B ... Mohs Scale of Hardness chart How to Remove the Waxed Coating from Lava Beads how-to video Recommended Just for You. You May Also Like... Regular Stock. Bead, lava rock (waxed), 10mm round with 0.5-1.5mm hole, B grade, Mohs hardness 3 to 3-1/2. Sold per 15-1/2" to 16" strand. ... Basalt Rock Properties and Uses - ScienceStruck The rock hardness of basalt is 6 on the Mohs scale, and can be seen through a combination of its compressive strength: 100-300 Mpa (Megapascal), its tensile strength: 10-30 Mpa, and its shear strength: 20-60 Mpa, which denotes that depending on the mineral makeup, basalt rocks fall in the strong - very strong category.    Read More