Which has high hardness and marble

Both bluestone soverers and marble belong to the stone. Natural blue stone sleaki is mainly produced in Jiujiang, Jiaxiang and Jiangxi, Shandong. Marble is mainly produced in Dali, Yunnan. If you want to ask which hardness of natural bluestone slate and marble can be seen from the Mo's hardness value of the two directly, the greater the hardness value of the Mo's hardness, the higher the hardness. The hardness of the natural bluestone fabric is between 3.5-5 and the hardness of the marble is between 2-3.5. Through the comparison of numerical values, the hardness of natural blue stone slate is higher than that of marble.